Updated: 12 Apr 2026

10 Best cat water fountain stainless steel filters of 2026

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Updated: 12 Apr 2026

#1

Best Choice

Cat Water Fountain Filter,Pet Fountains Filter Replacement for 3.2L/108oz Cat Drinking Fountain and 4L/134oz Stainless Steel Pet Water Fountain,Cats Fountain Filter Replacement with Pre-Filter Sponges

9.9

Daoxuan

-15%

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Main highlights

【Package】Package includes 9 cat water fountain filters replacement and 9 pre-filter sponges.

【Multiple Filtration】The cat fountain filter is composed of PP grid ,activated carbon, ion exchange resin and it can filter hair, heavy metals, and improve the taste of the water,pre-filter sponge filters out impurities and hair to extend the life time of water pump,so that pets can drink clean and fresh water all day.

【Compatible】The cat water fountain filter is compatible with 3.2L/108oz ship-shaped stainless steel cat drinking fountain and 4L/134oz Stainless Steel pet fountain.

-15%
#2

Best Value

Rinkii Cat Water Fountain Filters, 24 Pack Replacement Filters with Carbon and Sponge, Compatible for 67oz/2L 108oz/3.2L 135oz/4.0L Stainless Steel Pet Fountains

9.7

Rinkii

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Main highlights

UNIVERSAL 2-4L COMPATIBILITY → This water fountain filter replacement is designed to fit a wide range of popular 2L (68oz), 3.2L (108oz) and 4L (135oz) stainless steel pet fountain models

SUPERIOR QUADRUPLE FILTRATION SYSTEM → This cat water fountain filter uses cotton, non-woven fabric, activated carbon and ion exchange resin to effectively trap hair and reduce chlorine, odour and heavy metals for cleaner water

HEALTHIER HYDRATION SUPPORT → Our pet water fountain filter encourages better drinking habits by providing fresh, filtered water which can help prevent urinary tract issues and dehydration in your cats
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#3

Cat Water Fountain Filter,Cats Fountain Filter Replacement Filters for 3.2L/108oz Cat Drinking Fountain and 4L/134oz Stainless Steel Pet Fountain,Pet Water Fountain Filter with Pre-Filter Sponges

9.4

Daoxuan

-15%

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Main highlights

【Package】Package includes 6 cat water fountain filters replacement and 6 pre-filter sponges.

【Multiple Filtration】The cat fountain filter is composed of PP grid ,activated carbon, ion exchange resin and it can filter hair, heavy metals, and improve the taste of the water,pre-filter sponge filters out impurities and hair to extend the life time of water pump,so that pets can drink clean and fresh water all day.

【Compatible】The cat water fountain filter is compatible with 3.2L/108oz ship-shaped stainless steel cat drinking fountain and 4L/134oz Stainless Steel pet fountain.

-15%
#4

Fiabgum Cat Fountain Filters - 24 Pack Replacement Filters, 12 Carbon and 12 Foam Filters for 67oz/2L/3.2L Stainless Steel Pet Water Fountain

9.3

Fiabgum

-32%

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Main highlights

【Quadruple filtration】the drinking fountain filter consists of a cotton layer, a natural non-woven fabric, activated carbon and an ion exchange resin. The filter sponge filters hair and dirt, removes bacteria and odours, softens tap water, allows pets to clean water all day long and prevents diseases of the urinary system.

【Longer service life】To keep the water clean, the filter for cat fountain must be replaced in time. Please replace the filter within 2-4 weeks. It is recommended to replace the filter every 2-4 weeks if the cat uses the drinking fountain. In a household with several cats, you should change them every 2 weeks if possible.

【Keep your pet healthy】With the cat water filter, your pets can drink fresh, clean water every day. This helps to increase your pet's water intake and reduce the risk of urinary tract infections

-32%
#5

oneisall Cat Water Fountain Filters Replacement, 4 Pack for 67oz/2L Stainless Steel Fountain, Easy to Install and Clean

9.1

oneisall

-15%

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Main highlights

Pet Fountain Filters Size: Every cat fountain filters 6.8CM(2.6Inch) x 3.5CM(1.4Inch), Can be compatible with the same size cat water fountain

Perfect Fit: 4 Pack cat fountain filters suitable for oneisall PWF 001 67oz/2L stainless steel cat water fountain

Individual Packing: 4 Pack cat water Fountain filters replacement replace once a week, they are individual packing and sealed to ensure the highest quality

-15%
#6

Cat Water Fountain Filter, 8 Pack Cat Fountain Filter Replacement for 74oz/2.2L Stainless Steel Cats Water Dispenser

9.0

Jsjyuan

-15%

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【Suitable for Stainless Steel Water Dispensers】 This cat water fountain filter is suitable for 74oz/2.2L cat water dispenser

【Multiple Filtration & Fresh Water】The three-layer filtering system formed by cotton layer and activated carbon can capture hair and debris, remove odor, heavy metals and odors in water, and purify every drop of water for your pet

【Cleaning and Replacement】Before use, soak and flush the pet fountain filter with clean water,clean the filter every time you change the water of the cat fountain, and change the pet water fountain filter every 2-4 weeks.

-15%
#7

Cat Water Fountain Filters,16 Pack Cat Fountain Replacement Filters for Stainless Steel 67oz/2L Adjustable Flow Pet Drinking Fountain,Dog Water Fountain (8+8 Pack)

8.9

MAOCG

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【Package】The package contains 8 cat fountain replacement filters and 8 pre-filter sponges.

【Filter】The cat fountain filter helps filter the water quality, while the pre-filter sponges blocks out any hair, dust or food debris.

【Compatible】This cat water fountain filter is compatible with a variety of cat fountains, the specific compatible fountain style, please check the product image list, before buying please confirm whether it is compatible with your cat fountain to avoid purchasing errors.
#8

QUMOX 8-Pack Replacement Filters for WF300 Stainless Steel Cat Water Fountain – Quadruple Filtration, Sponge & Activated Carbon, Keep Water Fresh and Clean

8.8

QUMOX

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Main highlights

Tailored for WF300 Fountain – Specially designed to fit the QUMOX WF300 3.2L stainless steel cat water fountain, ensuring a snug and secure fit without leaks or misalignment.

Quadruple Filtration System – Each filter features a 4-layer combo: high-density sponge, ion exchange resin, activated carbon, and a fine mesh, capturing hair, debris, and food particles while removing odors and softening water.

Fresh Water for Healthier Pets – Effectively purifies water to encourage cats and small pets to drink more often, helping prevent urinary and kidney issues.
#9

Cat Water Fountain Filter,Cat Fountains Filters Replacement for Square 2.2L/73oz Stainless Steel Pet Water Fountain,5 Pack Pet Fountain Filter Replacement

8.7

Daoxuan

-15%

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Main highlights

【Package】Package includes 5 cat fountain filters replacement ,5 round sponge foam filters and 5 square sponge filters.

【Multiple Filtration】The pet fountain filter is composed of cotton layer,activated carbon and an ion exchange resin and it can filter hair, heavy metals, and improve the taste of the water,pre-filter sponge filters out impurities and hair to extend the life time of water pump,so that pets can drink clean and fresh water all day.

【Compatibility】The cat water fountain filter is compatible with square 2.2L/73oz stainless steel pet water fountain; The round cat water filter is 4.1 inches in diameter.

-15%
#10

OMIPAWZ 4 Pack Cat Water Fountain Filter with 4 Sponges,Pet Water Dispenser Fountain Replacement Filters for Stainless Steel 3.2L Pet Drinking Fountain

8.5

OMIPAWZ

-35%

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3.Triple Filtration System: Three layer circulating system can effectively filter out pet hair, food residue, absorbs odors, and softens the water, providing your pet fresh and healthy water.

2.Healthy Filter Ingredients: The replacement filters is made of coconut shell activated carbon and high density PP cotton.

1.Package: The Package contains 4 cat fountain filters and 4 sponge filters.

-35%

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10 Best cat water fountain stainless steel filters of 2026

Cat Water Fountain Filter,Pet Fountains Filter Replacement for 3.2L/108oz Cat Drinking Fountain and 4L/134oz Stainless Steel Pet Water Fountain,Cats Fountain Filter Replacement with Pre-Filter Sponges

9.9

Main highlights

Rinkii Cat Water Fountain Filters, 24 Pack Replacement Filters with Carbon and Sponge, Compatible for 67oz/2L 108oz/3.2L 135oz/4.0L Stainless Steel Pet Fountains

9.7

Main highlights

Cat Water Fountain Filter,Cats Fountain Filter Replacement Filters for 3.2L/108oz Cat Drinking Fountain and 4L/134oz Stainless Steel Pet Fountain,Pet Water Fountain Filter with Pre-Filter Sponges

9.4

Main highlights

Fiabgum Cat Fountain Filters - 24 Pack Replacement Filters, 12 Carbon and 12 Foam Filters for 67oz/2L/3.2L Stainless Steel Pet Water Fountain

9.3

Main highlights

oneisall Cat Water Fountain Filters Replacement, 4 Pack for 67oz/2L Stainless Steel Fountain, Easy to Install and Clean

9.1

Main highlights

Cat Water Fountain Filter, 8 Pack Cat Fountain Filter Replacement for 74oz/2.2L Stainless Steel Cats Water Dispenser

9.0

Main highlights

Cat Water Fountain Filters,16 Pack Cat Fountain Replacement Filters for Stainless Steel 67oz/2L Adjustable Flow Pet Drinking Fountain,Dog Water Fountain (8+8 Pack)

8.9

Main highlights

QUMOX 8-Pack Replacement Filters for WF300 Stainless Steel Cat Water Fountain – Quadruple Filtration, Sponge & Activated Carbon, Keep Water Fresh and Clean

8.8

Main highlights

Cat Water Fountain Filter,Cat Fountains Filters Replacement for Square 2.2L/73oz Stainless Steel Pet Water Fountain,5 Pack Pet Fountain Filter Replacement

8.7

Main highlights

OMIPAWZ 4 Pack Cat Water Fountain Filter with 4 Sponges,Pet Water Dispenser Fountain Replacement Filters for Stainless Steel 3.2L Pet Drinking Fountain

8.5

Main highlights

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