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Hot Tub Filters
Surespa hot tub filters are manufactured from Reemay® polyester media with no bonding agents to restrict filtration efficiency. They are specifically designed and engineered for high efficiency hot tub water filtration.
All our filters have straight, sharp and evenly spaced pleats for maximum dirt holding and durable polyurethane end caps to provide strength and assure proper sealing where required.
Evenly spaced holes in centre core ensure even distribution of flow through the cartridge.
When selecting your filter, the shape of the handle or the length of the thread is not important. The most critical thing to get right is the bottom fitting and also to make sure that the filter will actually fit into your filter compartment. If the size is a centimetre or two different from the filter that you already have that won't affect the performance.
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Filter Type 1 (6CH-940 / PWW50 / SC714 / 60401 / WY45)Starting at £22.50
Lowest Multi-buy price: £20.25
Diameter: 15.2cm (6")
Length: 21cm (8 1/4")
Bottom Finish: Coarse 3.8cm (1 1/2") SAE Thread
Filtration Area: 50 sq ft
Replacement for hot tub filters with reference: 6CH-940, PWW50, SC714, Darlly 60401 or Magnum WY45. Fits many hot tubs with a coarse thread fitting.
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Filter Type 2 (5CH-502 / PPM50SC / SC719 / 50501 / MA50)Starting at £29.45
Diameter: 13.2cm (5 3/16")
Length: 31.8cm (12 1/2")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 50 sq ft
Replacement for hot tub filters with reference: 5CH-502, PPM50-SC, SC719, Darlly 50501 or Magnum MA50. Fit Marquis Spas requiring a fine thread fitting. This is the same size and fitting as our Type 3 hot tub filter but with 50 sq ft of filtration material rather than 35 sq ft.
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Filter Type 3 (5CH-352 / PPM35SC-F2 / SC703 / 50351 / MA35)Starting at £25.95
Diameter: 13.2cm (5 3/16")
Length: 31.8cm (12 1/2")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 35 sq ft
Replacement for 5CH-352, PPM35SC-F2, SC703, Darlly 50351 or Magnum MA35 to fit Marquis Spas hot tubs with a fine thread fitting. This is the same size and fitting as our Type 2 filter, but with 35 sq ft of filtration material.
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Filter Type 5 (C-4326 / PRB25IN / SC704 / 42513 / RD25)Starting at £14.95
Lowest Multi-buy price: £15.26
Diameter: 12.5cm (4 15/16")
Length: 33.8cm (13 5/16")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 25 sq ft
Replacement for hot tub filters with reference: C-4326, PRB25IN, SC704, Darlly 42513 or Magnum RD25. Fits many hot tubs with an open hole fitting. This is the same size and fitting as our hot tub filter Type 4 filter but this one has just 25 sq ft of filtration material.
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Filter Type 7 (C-8326 / PSD1252000 / SC708 / 81252 / SU125)Starting at £68.30
Diameter: 21.4cm (8 7/16")
Length: 48.3cm (19")
Bottom Finish: Open Hole
Hole Diameter: 6.4cm (2 1/2")
Filtration Area: 125 sq ft
Replacement for C-8326, PSD1252000, SC708, Darlly 81252 or Magnum SU125 to fit Sundance hot tubs with a 5.1cm male slip and 6.4cm open hole fitting. This filter replaces both the standard filter cartridge and the 5" disposable micro-clean element of a Sundance filter.
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Filter Type 13 (4CH-24 / PGS25 / SC717 / 40260 / CH25)Starting at £19.95
Diameter: 11.7cm (4 5/8")
Length: 24.8cm (9 3/4")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 25 sq ft
Replacement for 4CH-24, PGS25, SC717, Darlly 40260 or Magnum CH25 to fit Dream Maker Spas and other hot tubs with a fine thread fitting.
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Filter Type 11 (6CH-25 / PVT25P4 / SC829 / 50272 / ST25)Starting at £32.95
Diameter: 15cm (6")
Length: 14cm (5 1/2")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 25 sq ft
Replacement for 6CH-25, PVT25P4, SC829, Darlly 50272 or Magnum ST25 to fit Softub hot tubs with a fine thread fitting.
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Filter Type 9 (4CH-20 / PHC25 / SC715 / 40201 / CH20)Starting at £20.50
Diameter: 11.7cm (4 5/8")
Length: 17.1cm (6 3/4")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 25 sq ft
Replacement for 4CH-20, PHC25, SC715, Darlly 40201 or Magnum CH20 to fit many hot tubs with a fine thread fitting including Softtubs with a screw-on filter.
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Filter Type 12 (4CH-21 / PTL18P4 / SC716 / 40191 / CH19)Starting at £18.95
Diameter: 11.7cm (4 5/8")
Length: 20.3cm (8")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 19 sq ft
Replacement for 4CH-21, PLT18-P4, SC716, Darlly 40191 or Magnum CH19 to Vita Spa hot tubs with a fine thread fitting.
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Filter Type 14 (6CH-960 / PJW60TL-2A / SC702 / 60521 / JP60)Starting at £34.95
Diameter: 17.1cm (6 3/4")
Length: 39.4cm (15 1/2")
Bottom Finish: Coarse 5.1cm (2") SAE Thread
Filtration Area: 52 sq ft
Replacement hot tub filter for 6CH-960, PJW60TL-2A, SC702, Darlly 60521 or Magnum JP60 to fit Jacuzzi J-300 series and J-LX series hot tubs with a coarse thread fitting.
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Filter Type 15 (5CH-203 / PLAS35 / SC745 / 50201 / LA45) - LA Spas Bag Filter ReplacementStarting at £20.95
Diameter: 12.7cm (5")
Length: 20cm (7 7/8")
Bottom Finish: Fine 8.3cm (3 1/3") MPT Thread
Filtration Area: 30 sq ft
Replacement for LA Spas bag filters, 5CH-203, PLAS35, SC745, Darlly 50201 or Magnum LA45 to fit LA Spas with a fine thread fitting. Conventional filters provide better filtration than the bag filters and are more easily cleanable. Interchangeable with LA Spas bag filter.
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Filter Type 16 (C-5302 / SC751 / TE50)Starting at £32.95
Diameter: 14.6cm (5 3/4")
Length: 30.16cm (11 7/8")
Bottom Finish: Open Hole
Hole Diameter: 2 1/8" (5.4cm)
Filtration Area: 50 sq ft
Replacement for C-5302, this Magnum TE50 filter will fit Leisurerite and Roto Spa hot tubs with an open hole fitting and requiring 50 sq. ft. of filtration. This filter will also replace the 25 sq. ft PJW25, C-5624 and SC751 filters.
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Filter Type 18 (C-6430 / PWK30 / SC712 / 60301 / HS30)Starting at £23.55
Diameter: 15.2cm (6")
Length: 26.7cm (10 1/2")
Bottom Finish: Open Hole
Hole Diameter: 4.9cm (1 15/16")
Filtration Area: 30 sq ft
Replacement for C-6430, PWK30, SC712, Darlly 60301 or Magnum HS30 to fit HotSprings hot tubs with an open hole fitting.
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Filter Type 19 (C-8465 / PWK65 / SC713 / 80651 / HS65)Starting at £47.50
Diameter: 21.6cm (8 1/2")
Length: 26cm (10 1/4")
Bottom Finish: Open Hole
Hole Diameter: 7.6cm (3" )
Filtration Area: 65 sq ft
Replacement for C-8465, PWK65, SC713, Darlly 80651 or Magnum HS65 to fit HotSprings hot tubs with an open hole fitting.
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Filter Type 20 (C-4310 / PWW10 / SC750 / 40101 / WW20) - PairStarting at £18.90
Diameter: 10.8cm (4 1/4")
Length: 10.1cm (4")
Bottom Finish: Open Hole
Hole Diameter: 5.2cm ( 2 1/16")
Filtration Area: 10 sq ft
Replacement for C-4310, PWW10, SC750, Darlly 40101 or Magnum WW20 to fit many small hot tubs with an open hole fitting. These filters are sold as a pair.
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Filter Type 21 (C-7367 / PD075-2000 / SC730 / 70759 / D1-TY75)Starting at £48.95
Diameter: 18.1cm (7 1/8")
Length: 26.67cm (10 1/2")
Bottom Finish: Open Hole
Hole Diameter: 5.1cm (2") with twist lock
Filtration Area: 75 sq ft
Out of stockReplacement for C-7367, PD075-2000, SC730, Darlly 70759 or Magnum D1-TY75 to fit Dimension One Spas hot tubs with an open hole fitting and a castellated top.
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Filter Type 22 (C-8341 / PMA45-2004R / SC729 / 80451 / MA45)Starting at £35.10
Diameter: 20.3cm (8")
Length: 18.5cm (7 1/4")
Bottom Finish: Open Hole
Hole Diameter: 10.2cm (4") Rim Floor Seal
Filtration Area: 45 sq ft
Replacement for C-8341, PMA45-2004R, SC729, Darlly 80451 or Magnum MA45 with open hole fitting to fit Master Spa hot tubs with ECO PUR filtration system.
This filter is usually used in conjunction with with Microban Filter Type 23 (PMA10).
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Filter Type 24 (PSG27.5-P4 / FC-0132 / SA27-P4)Starting at £45.55
Diameter: 12.1cm (4 3/4")
Length: 28.9cm (11 3/8")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 27.5 sq ft
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Filter Type 25 (PSG27.5-P2 / FC-0134 / SA27-P2)Starting at £33.55
Diameter: 12.1cm (4 3/4")
Length: 28.9cm (11 3/8")
Bottom Finish: Coarse 3.8cm (1 1/2") SAE Thread
Filtration Area: 27.5 sq ft
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Filter Type 26 (C-4975 / PRB75 / SC733 / 40751 / RA75)Starting at £32.00
Diameter: 12.54cm (4 15/16")
Length: 51.12cm (20 1/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 75 sq ft
Replacement for C-4975, PRB75, SC733, Darlly 40751 or Magnum RA75 to fit Hydropool hot tubs with an open hole fitting.
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Filter Type 28 (C-4401 / PRB17.5SFPR / SC726 / 40352 / WW35D) - PairStarting at £24.95
Diameter: 12.5cm (4 15/16")
Length: 11.75 cm (4 5/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 17.5 sq ft
Replacement for C-4401, PRB17.5SFPR, SC726, Darlly 40352 or Magnum WW35D to fit Beachcomber hot tubs, and others, with an open hole fitting. These filters are sold as a pair.
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Filter Type 29 (7CH-40 / PVT40 / SC710 / 70402 / CH40)Starting at £33.20
Diameter: 17.8cm (7")
Length: 24.8cm (9 3/4")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 40 sq ft
Replacement for 7CH-40, PVT40, SC710, Darlly 70402 or Magnum CH40 to fit Vita Spa hot tubs with a fine thread fitting.
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Filter Type 30 (PWW50S / SC779 / 40372 / MA49)Starting at £32.90
Diameter: 13cm (5 1/8")
Length: 26cm (10 1/4")
Bottom Finish: Coarse 3.8cm (1 1/2") FEMALE SAE Thread
Filtration Area: 35 sq ft
Replacement for PWW50S (SHORT), SC779, Darlly 40372 or Magnum MA49 to fit many hot tubs with a coarse FEMALE thread fitting. This is the same fitting as our Type 32 filter, but 26cm long.
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Filter Type 33 (5CH-35 / PMAX50 / SC718 / 50353 / EL35)Starting at £29.95
Diameter: 14.3cm (5 5/8")
Length: 20.3cm (8")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 35 sq ft
Replacement for 5CH-35, PMAX50, SC718, Darlly 50353 or Magnum EL35 to fit various hot tubs with a fine thread fitting.
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Filter Type 35 (7CH-975 / PD075-P3 / D15249)Starting at £48.85
Diameter: 17.8cm (7")
Length: 26.7cm (10 1/2")
Bottom Finish: Coarse 3.8cm (1 1/2") SAE Thread
Filtration Area: 52 sq ft
Replacement for 7CH-975, PD075-P3 or Darlly D15249 to fit Dimension One Spas hot tubs with a coarse thread fitting.
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Filter Type 36 (C-5396 / PCST80 / SC791 / 51002 / CS100)Starting at £48.90
Diameter: 13.5cm (5 5/16")
Length: 54.2cm (21 5/16")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 80 sq ft
Replacement for C-5396, PCST80, SC791, Darlly 51002 or Magnum CS100 to fit Coast Spas hot tubs with an open hole fitting.
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Filter Type 38 (6CH47 / PTL47W / SC709 / 60471 / LA50)Starting at £31.50
Diameter: 15.2cm (6")
Length: 23.2cm (9 1/8")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 47 sq ft
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Filter Type 39 (C5374 / PLBS75 / SC777 / 50651 / DF75)Starting at £36.00
Diameter: 13.5cm (5 5/16")
Length: 37.6cm (14 3/16")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 65 sq ft
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Filter Type 41 (5CH402 / PJW40SC / DS40)Starting at £29.50
Diameter: 13.3cm (5 1/4")
Length: 27.2cm (10 3/4")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 45 sq ft
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Filter Type 42 (4CH22 / PFF25 / CH22)Starting at £25.40
Diameter: 12.5cm (4 15/16")
Length: 16.8cm (6 5/8")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 25 sq ft
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Filter Type 43 (PVT25NP4 / SC829 / 50272 / VS25)Starting at £25.15
Diameter: 11.8cm (4 5/8")
Length: 19.1cm (7 9/16")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 25 sq ft
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Filter Type 44 (C8325 / PSD125 / SU125-3S / 6540-490)Starting at £69.50
Diameter: 21.4cm (8 7/16")
Length: 46cm (18 1/8")
Bottom Finish: Open Hole
Hole Diameter: 6.4cm (2 1/2")
Filtration Area: 125 sq ft
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Filter Type 45 (6CH-502 / PAS50SV / SC720 / 60506 / AR50)Starting at £44.95
Diameter: 17.1cm (6 3/4")
Length: 20.3cm (8")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 50 sq ft
This filter fits Artesian Spas. Replaces hot tub filters with reference: 6CH502; PAS50SV; SC720; Darlly 60506 or Magnim AR50
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Filter Type 47 (C5397 / PLBS100 / DF100)Starting at £39.25
Diameter: 13.5cm (5 5/16")
Length: 45cm (17 3/4")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 100 sq ft
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Filter Type 48 (C8380 / PSD85-2002 / SU80)Starting at £52.00
Diameter: 21.4cm (8 7/16")
Length: 35.5cm (14")
Bottom Finish: Coarse 5.1cm (2") SAE Thread
Filtration Area: 80 sq ft
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Filter Type 49 (C8350 / PVT50W / VS50)Starting at £32.00
Diameter: 21.6cm (8 1/2")
Length: 18.4cm (7 1/4")
Bottom Finish: Open Hole
Hole Diameter: 6.0cm (2 3/8") with slots
Filtration Area: 50 sq ft
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Filter Type 51 (C4405 / PRB25SF-PR / SC732 / 40505 / WW50D) - PairStarting at £32.00
Diameter: 12.5cm (4 15/16")
Length: 16.8cm (6 5/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 25 sq ft
These filters are sold as a 50 sq ft pair with a total height of 334mm.
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Filter Type 52 (5CH45 / PFF50P / SC746 / 50452 / CH45)Starting at £29.20
Diameter: 13.5cm (5 5/16")
Length: 25.4cm (10")
Bottom Finish: Fine 3.8cm (1 1/2") MPT Thread
Filtration Area: 45 sq ft
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Filter Type 54 (4CH-925 / PSANT20-P3 / SC728 / 42524 / SR20)Starting at £29.95
Diameter: 12.1cm (4 3/4")
Length: 17.9cm (7 1/16")
Bottom Finish: Coarse 3.8cm (1 1/2") SAE Thread
Filtration Area: 20 sq ft
Out of stockReplacement for 4CH-925, PSANT20P3, Darlly 42524 or Magnum SR20 to fit Strong Spas and Durasport Spas.
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Filter Type 55 (8CH502 / PVT50WH / SC834 / 80504 / VS502)Starting at £45.25
Diameter: 21.6cm (8 1/2")
Length: 18.4cm (7 1/4")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 50 sq ft
Fits some Vita Spas and other hot tubs.
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Filter Type 23 (PMA10 / SC725 / 40103 / MA10M)Starting at £10.85
Diameter: 9.5cm (3 3/4")
Length: 18.0cm (7 1/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 10 sq ft
Replacement for PMA10, SC725, Darlly 40103 or Magnum MA10M with open hole fitting to fit Master Spa hot tubs with ECO PUR filtration system.
This filter is usually used in conjunction with with Filter Type 22 (PMA45).
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Filter Type 57 (C4995 / PCAL100 / WW95N)Starting at £51.00
Diameter: 12.5cm (4 15/16")
Length: 60cm (23 5/8")
Bottom Finish: Open Hole
Hole Diameter: 5.2cm (2 1/8")
Filtration Area: 95 sq ft
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Filter Type 37B (6CH-942 / PWW100ST-F2S / SC737 / 60403 / LR100B)Starting at £29.50
Diameter: 15.2cm (6")
Length: 21cm (8 1/4")
Bottom Finish: Coarse 3.8cm (1 1/2") SAE Thread
Filtration Area: 45 sq ft
Replacement for 6CH-942, PWW100ST-P3, SC737, Darlly 60403 or Magnum LR100B to fit Leisurerite hot tubs with a coarse thread fitting.
This filter is usually used as the bottom half of a pair with filter Type 37A.
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Filter Type 59 (C-8450 / PCS50N / SC744 / 80501 / CO50)Starting at £44.95
Diameter: 20cm (8")
Length: 23cm (9")
Bottom Finish: Male Slip 4.5cm (1 3/4")
Filtration Area: 50 sq ft
Replacement for C-8450, PCS50N, SC744, Darlly 80501 or Magnum CO50 to fit Colman and Maax Spas.
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Filter Type 58 (C-5300 / PJW50 / SC768 / 50503, JWB50)Starting at £42.50
Diameter: 14.4cm (5 11/16")
Length: 26.5cm (10 3/8")
Bottom Finish: Open Hole
Hole Diameter: 5.2cm (2 1/8")
Filtration Area: 50 sq ft
Fits pre-2001 Jacuzzi models and some Clearwater Spas. String loop inserted on side of cartridge.
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Filter Type 37A (6CH-941 / PWW100ST / SC736 / 60402 / LR100T)Starting at £29.50
Diameter: 15.2cm (6")
Length: 21cm (8 1/4")
Bottom Finish: Male Slip 4.5cm (1 3/4")
Filtration Area: 45 sq ft
Replacement for 6CH-941, PWW100P3, SC736, Darlly 60402 or Magnum LR100T to fit Leisurerite hot tubs with a male slip fitting.
This filter is usually used as the top half of a pair with filter Type 37B.
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Filter Type 32 (4CH-949 / PWW50L / SC757 / 40508 / O250)Starting at £29.85
Diameter: 12.3cm (4 7/8")
Length: 34.5cm (13 5/8")
Bottom Finish: Coarse 3.8cm (1 1/2") FEMALE SAE Thread
Filtration Area: 50 sq ft
Out of stockReplacement for 4CH-949, PWW50L, SC757, Darlly 40508 or Magnum O250 to fit Elite Spas and other hot tubs with a coarse FEMALE thread fitting. This is the same fitting as our Type 30 filter, but 34.5cm long.
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Filter Type 62 (C8475 / PCS75N / SC749 / CO75)Starting at £55.95
Diameter: 20.3cm (8")
Length: 33cm (13")
Bottom Finish: Open Hole
Hole Diameter: 5.25cm (2 1/16")
Filtration Area: 75 sq ft
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Filter Type 4 (C-4950 / PRB50IN / SC706 / 40506 / RD50)Starting at £25.95
Diameter: 12.5cm (4 15/16")
Length: 33.8cm (13 5/16")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 50 sq ft
Replacement for hot tub filters with reference: C-4950, PRB50IN, SC706, Darlly 40506 or Magnum RD50. Fits many hot tubs with an open hole fitting. This is the same size and fitting as our Type 5 hot tub filter, but with 50 sq ft of filtration material rather than 25 sq ft.
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Filter Type 63 (C7656 / PA50 / HW500)Starting at £42.50
Diameter: 17.8cm (7")
Length: 49.8cm (19 5/8")
Bottom Finish: Open Hole
Hole Diameter: 7.6cm (3")
Filtration Area: 50 sq ft
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Filter Type 61 (C7626 / PA25 / HW250)Starting at £35.20
Diameter: 17.8cm (7")
Length: 24.9cm (9 13/16")
Bottom Finish: Open Hole
Hole Diameter: 7.6cm (3")
Filtration Area: 25 sq ft
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Filter Type 64 (C5624 / PJW25 / SC751 / 50504 / JWB25)Starting at £31.50
Diameter: 14.6cm (5 3/4")
Length: 30.2cm (11 7/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 25 sq ft
Fits Jacuzzi models: Avenza, Celeste, Meridian, Sienna, Virage and some other brands.
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Filter Type 34 (2540-381/ 8CH-102 / SC813 / 80952 / JP95)Starting at £63.90
Diameter: 20.0cm (7 7/8")
Length: 39.3cm (15 11/16")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 95 sq ft
Replacement for 8CH-102, SC813, Darlly 80952 or Magnum JP95 with a fine thread fitting for Jacuzzi hot tub models J-230, J-270, J-280 from 2008 onwards.
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Filter Type 66 (C5345 / PLBS50 / SC756 / 50451 / DF45)Starting at £26.95
Diameter: 13.0cm (5 5/16")
Length: 25.5cm (10 1/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8" hole)
Filtration Area: 50 sq ft
This filter fits Garden Leisure and a number of other hot tubs
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Filter Type 67 (C-5351 / PCST120 / SC769 / 51351 / CS135)Starting at £78.95
Diameter: 13.0cm (5 5/16")
Length: 76.3cm (30 1/8")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8")
Filtration Area: 135 sq ft
Out of stockThis filter fits Coast Spas
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Filter Type 68 (7CH322 / PAS35-2 / SC772 / 70321 / AR32)Starting at £37.95
Diameter: 18.0cm (7")
Length: 20.3cm (8")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 35 sq ft
This filter fits Artesian, Coleman Spas and Villeroy & Boch
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Filter Type 71 (PJZ16 / SC753 / 52512 / JFC25)Starting at £32.75
Diameter: 14.4cm (5 5/8")
Length: 17.5cm (7")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 25 sq ft
This filter fits Jazzi Spas (OEM: Jazzi 2) and also some Artesian, Master Spas and Wellis Spas.
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Filter Type 70 (PWL25P3 / SC752 / 52511 / BL25)Starting at £28.25
Diameter: 14.4cm (5 5/8")
Length: 18.0cm (7")
Bottom Finish: Coarse 3.8cm (1 1/2") SAE Thread
Filtration Area: 25 sq ft
This filter fits Jazzi Spas (OEM: Jazzi 1).
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Filter Type 50 (PWW35L / 4CH-935 / SC815 / 40355 / MA36)Starting at £29.50
Diameter: 12.7cm (5 1/16")
Length: 21.6cm (8.5")
Bottom Finish: Coarse 3.8cm (1 1/2") FEMALE SAE Thread
Filtration Area: 35 sq ft
Replacement for PWW35L, 4CH-935, SC815, Darlly 0355 or Magnum MA36 to fit hot tubs with a coarse 3.8cm (1 1/2") FEMALE SAE Thread fitting.
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Filter Type 69 (C-7375 / PCD75N / SC787 / 77515 / CA75)Starting at £62.95
Diameter: 17.8cm (7")
Length: 37.8cm (14 7/8")
Bottom Finish: Open Hole
Hole Diameter: 6.8cm (2 11/16")
Filtration Area: 75 sq ft
This filter fits Caldera Spas with 75 sq ft filtration area. Replacement for C-7375, PCD75N, SC787, CA75 Darlly 77515 or Magnum CA75
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Filter Type 73 (8CH-950 / PBF50-F2S / SC830 / 80503 / BU50)Starting at £42.95
Diameter: 21cm (8 1/4")
Length: 15cm (5 7/8"")
Bottom Finish: Coarse 5.1cm (2") SAE Thread
Filtration Area: 50 sq ft
This filter fits Villeroy & Boch Sand Bullfrog Spas. Replacement for 6CH-940, PWW50, SC714, Darlly 60401 or Magnum WY45
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Filter Type 74 (C-7350 / PCD50N / SC786 / 70511 / CA50)Starting at £39.75
Diameter: 17.8cm (7")
Length: 27.3cm (10 3/4")
Bottom Finish: Open Hole
Hole Diameter: 6.83cm (2 11/16")
Filtration Area: 50 sq ft
This filter fits Caldera Spas and is a replacement for C-7350, PCD50N, SC7886, Darlly 70511 or Magnum CA50.
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Filter Type 75 (C-7449 / PVT50 / VS501)Starting at £57.95
Diameter: 17.8cm (7")
Length: 37.3cm (14.75")
Bottom Finish: Open Hole
Hole Diameter: 4.5cm
Filtration Area: 50 sq ft
This filter fits Vita Spas
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Filter Type 76 (C-8399 / PCD100 / SC775 / 81004 / CA100)Starting at £64.80
Diameter: 20cm (7 7/8")
Length: 41.9cm (16 1/2")
Bottom Finish: Open Hole
Hole Diameter: 9.2cm
Filtration Area: 100 sq ft
This filter fits Caldera and Tahitian hot tubs requiring 100 sq ft of filtration.
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Filter Type 6 (C-4335 / PRB35IN / SC705 / 40353 / RD35)Starting at £23.80
Lowest Multi-buy price: £21.42
Diameter: 12.54cm (4 15/16")
Length: 23.5cm (9 1/4")
Bottom Finish: Open Hole
Hole Diameter: 5.4cm (2 1/8" hole)
Filtration Area: 35 sq ft
Replacement for C-4335, PRB35IN, SC705, Darlly 40353 or Magnum RD35 to fit many hot tubs with an open hole fitting.
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Filter Type 46 (6CH-652 / PAS40-F2M / SC754 / 60355 / AR41)Starting at £43.95
Diameter: 15.2cm (6")
Length: 19.7cm (7 3/4")
Bottom Finish: Fine 5.1cm (2") MPT Thread
Filtration Area: 40 sq ft
This filter fits Artesian Spas and also some Jazzi Spas and Master Spas. Replaces hot tub filters with reference: 6CH352; PAS40-F2M; SC754; Darlly 60355 or Magnim AR41
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How to Measure your Hot Tub Filter
Measuring your filter cartridge is not difficult. Please follow the steps below to be sure that you get the correct measurements.
Remember that all measurements may vary up to 1/4" (60mm) due to expansion/shrinkage of the cartridge over time. Also, the most important consideration is to ensure that the thread is correct. If the other dimensions of the filter are slightly different to the ones that you have then, as long as they will actually fit in the filter compartment, that isn't a problem.
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1. Measure the Diameter (Width) of the Filter Measure the outside diameter (width) of the filter cartridge (in inches or centimetres), that is the maximum distance from one side to the other, including any 'over-hang' of the plastic end caps which might make the filter wider than the actual filter element itself. |
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2. Measure the Length of the Filter Measure the length of the filter cartridge from end cap to end cap. the length should include the thickness of the plastic end caps, but do not include handles or screw threads in the length measurement. |
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3. Measure the diameter of the Hole Does the filter have an open hole going all the way through it from top to bottom or does it just have a hole at the bottom with a closed top or handle? In either case you will need to measure the inner diameter of the hole, excluding any taper. |
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4. Identify and Measure the Thread If the filter has a thread, identify which type of thread it is. There are only two types of male thread commonly fitted to hot tub filters: The most usual type of thread is fine and tightly spaced with relatively sharp edges. these are called MPT or male pipe threads. Fine threaded filters are usually found in 3 nominal sizes: either 1 1/2", 2" or 3 1/2" MPT. The alternative is a very coarse, widely spaced, flat-edge thread and again these are usually found in 2 nominal sizes: 1 1/2" or 2" SAE. [Please note that it is actually the diameter of the thread shank that is measured, so for example: a 1 1/2" MPT or SAE thread actually measures 1 3/4" outside diameter and a 2" MPT or SAE thread measures 2 1/4" outside diameter!] |
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5. Does the Filter have a Removable Bezel? Some Pleatco brand filters have a removable male pipe thread fitting which slip-fits into a 1.9" hole in the filter bottom. You may need to unscrew the male pipe fitting from your spa's filter housing if it did not come out with the old filter (many hot tub owners are not even aware that the fitting is still in there). Most other brand filters are molded as a single piece, so that the threaded fitting comes off with the filter |
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6. Are there Two Filters available that Appear to be the Same Size? If you are still having trouble identifying the correct filter because there appear to be two available of the same size then the difference will probably be the filtration area available within the filter. If you don't know which filter you need then the only way to be sure is it count the number of pleats! It might take a while but the pleat count determines the filtration area of the filter and so enables you to distinguish between filters with the same dimensions. When you view the detailed information about each filter the pleat count is usually given. |
Why Buy a Microban Filter?
Many of our hot tub filters are supplied with an optional Microban® coating. Microban® antimicrobial protection inhibits the growth of bacteria and reduces staining, odours and degradation of the filter surfaces. Microban® hot tub filters are easier to clean and also stay fresher between cleanings.
Microban protection makes filters easier to clean and keeps them cleaner and fresher between cleanings
The high temperatures and a wet environment of a hot tub makes unprotected filter surfaces a target for the growth of bacteria. Our microban filter cartridges are manufactured from Reemay Advantage™ filter media with built-in Microban® antimicrobial product protection. This material combines 100% polyester synthetic fibres with Microban antimicrobial technology to filter out contaminants and inhibit the growth of bacteria - making sure your water is always perfectly clear, clean, and pure.
Microban protection continuously fights the growth of damaging microbes such as, bacteria, mould and mildew that cause stains, odours and product degradation
Microban Hot Tub Filters Frequently Asked Questions
- 1. What is Microban® antimicrobial product protection?
- Microban® technology is built-in antimicrobial protection for solid products, coatings and fibres. It gives products an added level of protection against damaging microbes such as, bacteria, mould and mildew that can cause stains, odours and product deterioration.
- 2. How do products with Microban® antimicrobial protection work?
- Microban® protection is built-in to the product during the manufacturing process. When microbes come in contact with the product surface, Microban protection penetrates the cell wall of the microorganism and disrupts cell functions disabling the microorganism’s ability to function, grow and reproduce.
- 3. What types of microorganisms does Microban® protection work against?
- It is effective against most common bacteria, yeasts, moulds and fungi, but Microban technology is not designed to protect users from disease causing microorganisms.
- 4. Does Microban® protection begin working immediately?
- Microban® protection begins to work as soon as the microorganism comes into contact with the product surface. It then works continuously to maintain a consistently lower bio-burden than would be expected on a product without Microban® antimicrobial protection.
- 5. How long does Microban® protection work for?
- The Microban® antimicrobial product is compounded into the fibers at the time of production which makes for a sustained and even release of antimicrobial protection throughout the life of the filter.
- 6. Does the use of antimicrobials cause resistant strains of microorganisms?
- No. After more than 30 years of use in numerous consumer, industrial and medical applications around the world, there has been no evidence of resistant strain development.
NB. Microban filters are not a substitute for normal water treatment, you still need to use a sanitizer!
How to Clean your Hot Tub Filter
Cleaning your hot tub filters properly improves their efficiency, helps maintain sparkling water and makes them last longer - so costs you less money in the long term.
You should establish a routine cleaning cycle based on the amount of hot tub use and the sanitiser you use. Cleaning hot tub filters every 2 to 4 weeks is the most usual routine. If you use eco3spa you will find that monthly cleaning will probably be sufficient. If you use Aquafinesse you will probably find that you need to clean your filters at least weekly.
- Rinse to remove debris. Remove the cartridge from the filter housing and use a garden hose, or a tap, to wash down the filter element. Work from the top of the filter, with the water flow at a 45 degree angle, and wash all pleats, ensuring that you remove any debris stuck between the pleats. You can purchase various filter cleaning tools to help with this job.
- Spray or soak to remove grease and scale. Soak the filter cartridges for at least 1 hour (overnight is preferable) in a clean, suitable size bucket using a proprietary filter cleaner solution. Alternatively, use a spray-on filter cleaner and rinse very thoroughly after 10 minutes. Powder filter cleaners are much better at removing scale than sprays or liquids.
- Rinse the cartridge again after cleaning to remove any traces of cleaning solution. Liquid and spray cleaners can cause foaming if not thoroughly rinsed off the filter surface.
- If you want to make it really easy, place the filters on the bottom shelf of an empty dishwasher and sprinkle all over with a powdered filter cleaner. Run the machine on a standard 50 degree wash cycle.
- Dry. Always dry the filters before reinserting them back into your hot tub. This ensures that the tiny holes in the filtration material shrink back to their original size. Let them dry naturally, don't use artificial heat. It is a good idea to keep a spare set of filters and rotate them at each clean so that they can dry completely before reuse.
- Finally, any grit or debris inside your filter compartment can easily be removed with a wet and dry vacuum or a specialised spa vacuum.
