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Best Spa Filter - Holidays Sale

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Last Updated - 14.12.2025

Best Choice

01

POOLPURE

POOLPURE Spa Filter, Whirlpool Filter Replacement for Unicel 6CH-940, Pleatco PWW50P3, PWW50-P3, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400 (Pack of 2)

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Robust construction: the filters are constructed thanks to their robust construction and shatter-proof materials for maximum durability and function. The sturdy filter fabric with 45 m² surface, the ABS core and the sturdy lids allow a water flow with high pressure and are resistant to chlorine and other substances.
Premium pool and spare filter replacement: The Poolpure pool and spa filter replacement has been specially developed as a replacement filter for filter models from Pleatco Unicel Filbur and Waterway Plastics and comes as a value pack of 2 filters. Our filters are loss-free in water flow and thus offer the highest performance. Enjoy fresh, clean water in your pool and spa at any time that is free from harmful substances.
Powerful filtration: thanks to the innovative "dirt locking" technology, the filter is able to filter far more impurities from the water than conventional filters. Highly efficient hair, leaves, dust, sediment and sand are filtered out of the water. Nothing stands in the way of your bathing pleasure in clear, clean water with our filters.
Long service life thanks to innovative technology: thanks to the special structure of the trilobal filter fabric, not only the filtration is improved, but also cleaning is easier and the wear of the fabric is reduced. Thanks to the higher filter capacity, cleaning cycles are also extended. You have less effort and longer use for clear water in your spa and pool.
Compatibility and dimensions: our filters are compatible with Pleatco PWW50-P3, PWW50P3, Unicel 6CH-940, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400. The top is equipped with a semi-circular carry handle. Dimensions: length: 19.4 cm, outer diameter: 15 cm, 1 1/2 inch (3.8 cm) SAE thread

40,99 €
Value for Money

02

POOLPURE

POOLPURE Spa Hot Tub Filter 4 oz Filter Media Replacement for Unicel C-4326 Pleatco PRB25-IN Filbur FC-2375 (Pack of 2)

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28% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safe material: The Poolpure filter has been tested and certified by IAPMO against NSF / ANSI 50 for safe and environmentally friendly material.
Replacement models: Pleatco PRB25-IN / Unicel C-4326 / Filbur FC-2375 / 17-2327 / 100586/33521/25392/303909 / M-4326/8172500 / R173429.
Product detail filter media: 4 ounces; Filtration range: 25 metres Fold length: 13 5/16 inches; Outer diameter: 12.5 cm (5 inches); Top hole: 2 1/8 (5.4 cm) open; Bottom hole: 2 1/8 (5.4 cm) open.
Powerful filtration: the advanced dirt locking technology provides a powerful blinding high filtration capacity blinding t, remove hair, blinding tter, dust, seedings and etc. The 50% open core erm pieces light up the free water flow through the fabric and effectively reduces pump pressure
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ranges and language of the product, labeling or instructions.

40,99 € 57,49 €(28% Off off)
03

Bestway

Bestway Filter Cartridge Size VI Twin Pack, White, Medium

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18% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Size: 10.6 x 8.0 cm, fine slat structure
Fits all spa pumps
Fine structure for optimal cleaning of the water
Effortless cleaning
2 filter cartridges

8,15 € 9,95 €(18% Off off)
04

DingGreat

DingGreat Spa Filter Cartridge, Filter Cartridge, Whirlpool Filter Replacement for Unicel 6CH-940, Pleatco PWW50P3, PWW50-P3, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 03FIL1400, 378902, Pack

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

STRONG AND DURABLE The whole filter is made of shatterproof handle, high flow ABS inner core and thick filter fabric to form a strong and durable body. The filter can withstand high pressure and corrosion of high capacity chlorine.
POWERFUL FILTRATION PERFORMANCE Thanks to the innovative "dirt locking" technology, the fabric contains much more impurities than ordinary fabric. The filter can highly efficiently reduce hair, leaves, dust, sediment and sand. Enjoy your leisure time in your spa and hot tub.
LONG LIFE The unique structure of the trilobal filtration fabric makes it easy to capture and remove stains, so you can easily wash the filter after use. The filter has been tested to be used longer than the other brands with regular washing. Pay less money to have more fun.
Hole size 150 mm/5.9 inches; length 243 mm/9.5 inches; coarse thread 46.5 mm/1.8 inches.
COMPATIBILITY Replacement filter for pool compatible with Pleatco PWW50-P3, PWW50P3, Unicel 6CH-940, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400.

37,99 €
05

Sosayet

Sosayet Filter VI for Pool, Pack of 6 Filter Cartridges VI for Bestway Miami, Monaco Lay-Z-Spa, Vegas, Palm Springs, Flowclear Pool Filter Replaces Original Cartridge 58323

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Warm tips: the pool filter is made of thicker fabric, which further improves the filter effect. The whirlpool filter can clog with impurities within 2-3 days depending on the water quality. But you don't need to worry, this is not a damaged cartridge, you just need to rinse the cartridge with water, no need to replace the cartridge.
High-quality material: our filter elements are made of high-quality mixed materials and are durable, which supports the filter against deformation at high water pressure. For clear and bottomless swimming pool water and the best performance of the swimming pool pump
Effective cleaning --- Our filter cartridges catch three times more impurities than conventional nets. This filter cartridges for pool efficiently removes hair, leaves, dust, deposits, sand etc. Enjoy a safe and healthy whirlpool spa
Easy installation and cleaning: the installation is simple and requires no tools. To clean, simply remove the filter from the pump and rinse it with water.
Compatibility: filter cartridges VI compatible with Bestway 58323, Lay-Z-Spa, Miami, Vegas, Monaco, Paris, Hawaii, Palm Springs, and many other pools and hot tubs. Please confirm the size before purchasing

22,99 €
06

Easy Spa

Whirlpool Filter Lamella Filter Easy Spa Filter Hot Tube Bubble Bath Pool Cleaning

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10% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Revolutionary new filter technology
Novelty
Machine washable
Fits all hot tubs
Easy as 1-2-3

34,80 € 38,80 €(10% Off off)
07

KGC

KGC Pack of 6 S1 Filter Pool, 214 mm x 107 mm x 216 mm, S1 Filter Cartridge Whirlpool, Inflatable Whirlpool Filter Compatible, Pool Filter for Intex PureSpa Type S1, for Bestway, Whirlpool Filter for

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Type S1 filter: 6 pieces S1 hot tub filters are compatible with Coleman Saluspa hot tub filter, compatible with Bestway, compatible with Lay-Z Spa, compatible with Intex and other inflatable that require type S1 filters
Reusable and easy to clean: it effectively absorbs dirt to get rid of mud. Remove the S1 filter from the pump, then wash it under strong water pressure to remove particles. It is recommended that pool filter cartridges are changed every fourteen days to effectively keep the water clean
Pack of 6 type filters: delivery includes 6 pieces type S1 pool filters. Size: 214 mm x 107 mm x 216 mm. Please check the size before purchasing
Keep the water fresh: S1 filter cartridges 50% open polypropylene flow core supports the filter fabric to maximise water flow, maintain the best performance for the filter and keep the pool water clear to give you the ultimate spa experience
Excellent filter performance: S1 filter made of 25% thicker filter fabric, which retains more impurities than normal fabric. This filter replacement for Intex can efficiently remove hair, leaves, dust, sediment and sand for your hot tub and pool. Enjoy clean leisure time in your pool

19,99 €
08

TOREAD

TOREAD Replacement for Spa Filter Unicel 6CH-940, PWW50P3 (Not PWW50P4), Filbur FC-0359, 817-0050, 25252, 03FIL1400, 1 1/2" SAE Thread Screw in Filter, Pack of 2

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【6-MONTH RETURN POLICY GUARANTEED!】Product Life Time Warranty on Every Filter Confirmed with Defects in Material, Workmanship, and Any Filter Caused Malfunction within Each Filter's 12-Month Service Life. We promise a risk-free shopping experience backed up with our reliable customer service and technical support team which is located to Los Angeles.
Reinforce structure: with 25% thicker filtration fabric, heavy chlorine resistant and break-resistant end caps and reinforced centre support, the filter delivers high powered propulsion flow, and crystal clear water, providing you with a relaxed and healthy enjoyment.
Recovery models: TRF-6CH-940 compatible with PWW50P3 (not PWW50P4), Unicel 6CH-940, Aladdin 14510, Baleen AK-9019, 78902, SD-00031, SD-00710, PLE-051-919. 3, PLE-0 51-9194 Length: 7 5/8"; Outside Diameter: 6"; Top: Circular Handle; Bottom: 1 1/2" SAE thread (Coarse Thread); Filtration Area: 45 sq. ft. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. TOREAD is an independent brand.
NSF/ANSI 50 certified: TOREAD pool and spa filter is tested and certified by IAPMO against NSF/ANSI 50. The filter with certified safe materials provides you with clean, fresh and clear water. Only select certified filters for your family to ensure the safety, health and happiness of your loved ones.
More efficient filtration area: Uniformity and high-performance trilobal fabric has 21-40% higher capacity compared with common point-bond fabric. The trilobal shape of fabric fibers also helps catch particles, increases efficiency without the pressure drop penalty, and helps reduce filter cleanining frequency.

37,99 €
09

AQUALTRA

AQUALTRA Spa Filter Cartridges Compatible with PWW50P3 (39 mm Coarse Thread), 6CH-940, FC-0359, 817-0050, 194 x 150 mm Screw in SAE Thread Filter, Pack of 2

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Washable and reusable: Aqualtra spa filter replacement parts are made of easy-to-clean, durable fabric that is easy to rinse and reuse. For performance optimization, we recommend cleaning the filter every 2 weeks. **IMPORTANT NOTE**: To avoid corrosion, please remove the filter before cleaning!
NSF certified materials: the 6CH-940 spa filter consists of a PET composite filter, a highly chlorine-resistant end cap and a polypropylene core. All materials are BPA free and NSF/ANSI certified to provide you with relaxed and safe leisure moments!
High filtration performance: The innovative "dirt locking" technology ensures that the fabric retains significantly more impurities than regular fabric. 45 square feet of filter area with 21-40% higher capacity than conventional point-bound fabrics. The Aqualtra spa filter effectively reduces hair, leaves, dust, sediment, sand, etc., ensuring a clean, comfortable bathing area.
Compatible models: outer gauge: 6 inch / 150 mm; length: 7 5/8 inch / 194 mm; top: round handle; bottom: 1 1/2 inch / 39 mm SAE thread. The AQUALTRA 6CH940 spa filter is compatible with PWW50P3 (not PWW50P4), FC-0359, SD-00031, SD-01049, 817-0050, 25252, 378902, 03FIL1400, HTF0245RT. *Note: All manufacturer names and part numbers remain the property of their respective owners and are used for compatibility information only. AQUALTRA is an independent brand. *
100% satisfaction guarantee: We value your shopping experience. If you have any problems with the AQUALTRA spa filter cartridge, please contact us - we will solve these within 24 hours. *Note: Please check before purchase whether the filter 6CH-940 fits your hot tub, spa or swimming pool. *

33,99 €
10

AQUALTRA

AQUALTRA Spa Filter Cartridges for PRB25-IN, SPA Filter Replacement for C-4326, FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 413-106, 338 x 127 MM 25 Sq. Ft Drop in Filter Pack

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

NSF certified materials and safety: the PRB25-IN spa filter consists of: a PET composite filter housing (robust and durable), a highly chlorine-resistant end cap, and a polypropylene core. All components are BPA free and comply with strict NSF/ANSI certification. So you can always enjoy your spa experience relaxed and safe
Multiple use with system: the AQUALTRA spa filter cartridges are made of specially impregnated polyester fabric (500+ wash cycles at 40°C) - designed for easy cleaning and extreme durability. Care recommendation: Rinse the cartridge with clean water every 1-2 weeks. Maximum filter performance through regular limescale removal. *Professional Tip*: Always remove the filter before cleaning agents – protects against corrosion and extends the service life by up to 70%!
High performance filtration with NSF certified materials: Our innovative spa filter combines a PET composite housing, chlorine-resistant end caps and a polypropylene core (all NSF/ANSI 50 certified and BPA-free) with patented dirt trapping technology - this retains up to 40% more particles than standard fabric. Aqualtra has been proven to eliminate hair/leaves dust/sediment sand/micro-particles (up to 120μm). Hygienically flawless water for maximum bathing comfort in your spa or pool - with proven longevity.
Customer satisfaction with service guarantee: As a certified pool filter specialist, we prioritize your shopping experience. If you have any questions about the AQUALTRA spa filter cartridge, please contact us. Commitment: Written solution sketch within 24 hours! *Purchase note*: Please check the compatibility of our PRB25-IN filter before ordering.
Compatible models: outer diameter: 5 inches / 127 mm; length: 13 5/16 inches / 338 mm; top and bottom: 2 1/8 inches / 54 mm opening. Filtration area: 25 sq. ft..AQUALTRA PRB25IN spa filter is compatible with C-4326, 413-106, FC-2375, 3005845, 17-2327, R172327, R173429, 5X13, 303909, M-4326, 42513, RD25. *Note*: All brand rights and manufacturer codes remain the property of their respective owners. These are only used for compatibility display. AQUALTRA is an independent branded product.

34,99 €