Top 10 Best water fountain filter in 2026

Last Updated - 6/26/2026

🏆Best Choice

KANCHOU

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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【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.
•【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.
•【Material】The pet fountain filter is made of safe materials, which helps keep the water fresh and allows pets to drink fresh water.
•【Note】Before use, soak and flush the cat water fountain filter with clean water,clean the filter every time you change the water of the cat fountain, and change the cat drinking fountain filter and sponge every 2-4 weeks.

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$11.99

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Porens

6 Pack Cat Water Fountain Replacement Filters Fit for 3L Flower Water Dispenser Automatic Pet Dog Cat Fountain Filter

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Compatibility: Compatible with 3L Flower Water Pet Pountain. Please check your fountain model before purchase.
•Triple Filtration System: Composed of a cotton layer, PP shell, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals.
•Filter Size: Diameter of is about 5.8 inch. Diameter of hollow circle is about 1.5 inch. Thickness is about 0.6 inch.
•Package: The Pack Includes pack of 6 cat fountain replacement filters.
•Note: Please soak 5 minutes foam filter before use. Replace filter every 2-4 weeks.

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$11.04

$12.99

-15%

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FEELNEEDY

FEELNEEDY 10 Pack Pet Water Fountain Filter Replacement for 135 fl oz/4L Wilreless Cat Water Fountain (for YPD-C004S,YPD-C004P)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•[Every Sip is Clean & Fresh] 4 layers of filter system (high density cotton, Ion exchange resin, coconut shell activated carbon), keeping water cycling and being filtered
•[Compatible Fountain] The cat water fountain filters are compatible with FEELNEEDY cat water fountain YPD C004P, YPD C004S
•[What's in the Box] Include 10 packs of replacement filters and 6 packs of replacement pump filter sponge
•[Frequency of Replacement] It is recommended to replace the filter every 2 to 4 weeks
•[Using Tips] Soak the filter for 5 minutes and thoroughly rinse it before use

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$17.99

$21.99

-18%

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OYES

Cat Water Fountain Filter, 81 oz/2.4 L Automatic Pet Water Dispenser Cat Fountain Replacement Filters, Pet Fountain Fillter Replacement

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Perfect Match】The Cat water fountain Filter Compatible with 81oz/2.4L round pet water fountain.
•【Premium Suit】The Cat fountain filters package includes 8 pack of pet water fountain replacement filters and 4 Pack Replacement Pre-filter Sponges.
•【High Quality】The cat fountain filter is composed of activated carbon, ion exchange resin and non-woven fabric and it can filter hair, heavy metals, and improve the taste of the water so that pets can drink clean and fresh water all day. Also, adding a pre-filter sponge around the pump to better protect the pump from impurities.
•【Effect】Cat water fountain filters provide clean, fresh water to your pet, which helps to increase water consumption and reduce the risk of urinary tract infections.
•【Recommendations】Please soak the filter in water for 2 minutes and rinse it thoroughly under running water before use.According to your pet's drinking frequency and the number of pets using the cat fountain, please replace the filter every 2 to 4 weeks, replace the sponge every 4 to 8 weeks.

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$11.99

$12.99

-8%

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Opeth

Cat Water Fountain Filter,Arc-Shaped Sponge Activated Carbon Cat Fountain Filters Replacement Filter Compatible WF050 & WF100 Automatic Pet Water Fountain(6 Pack)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•[Compatible]This cat fountain filter is suitable for WF050 and WF100 cat water fountains.
•[Filter]The cat fountain filter is made of high-density sponge and activated carbon, it can effectively filter hair, impurities and keep the water fresh.
•[6 Packs]There are 6 pet water fountain filters in the package.
•[Use]Rinse with running water before use, It is recommended to replace the cat water fountain filter with a new one every 2-4 weeks.
•[Serve]You can communicate with us at any time if you encounter problems in the process of using our products, and we will try our best to solve them for you.

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$8.99

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Daoxuan

Cat Water Fountain Filter,Cat Fountain Filters Replacement for 3.2L/108oz ship-shaped Cat Drinking Fountain and 4L/134oz Stainless Steel Pet Fountain,Pet Water Fountain Filter

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【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.
•【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.
•【High Quality】The cat fountain filter replacement provide clean, fresh water to your pet, which helps to increase water consumption.
•【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.

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$10.99

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Daoxuan

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

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•😺【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.
•😺【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.
•😺【High Quality】The pet fountain filter replacement provide clean, fresh water to your pet, which helps to increase water consumption.
•😺【Cleaning and Replacement】Before use, soak and flush the cat water 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.

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$10.99

$11.99

-8%

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OYES

Cat Water Fountain Filters, Cat Fountain Replacement Filters for 2.0L/67oz Automatic Pet Water Dispenser,Pet Water Fountain Replacement Filters Package

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【Compatible】The cat water fountain filters Compatible with 2.0L/67oz round stainless steel pet fountain.
•【Pack】Package includes 4 pack cat fountain replacement filters.
•【Filter】Each cat water fountain filters contains cotton layer, activated carbon, and ion exchange resin.Filter hair and residue,remove odors and soften water, getting better water tasting.
•【Use】Soak the pet water fountain replacement filter in water for two minutes before using it for the first time.
•【Frequency】According to your pets drinking frequency and the number of pets using the cat fountain, please replace the filter every 2 to 4 weeks.

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$10.99

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WEIKEY

24 Pcs Replacement Filters for Dockstream Cat Water Fountain PLWF105/PLWF115/PLWF005, 12 Pack Pet Water Fountain Filters with 12 Pack Pre-Filter Sponges

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Compatibility】The replacement filters are ONLY compatible with dockstream cat water fountain PLWF105/PLWF115/PLWF005. (Filter size: 3.78 x 2.28 x 0.39in)
•【4-Layer Filtration System】Each cat water fountain filter consists of activated carbon, ion exchange resin and non-woven fabric. Activated carbon and ionic resin are individually packaged, which not only serves as a re-filtering function, but also ensures clean water. The combination of activated carbon filter and sponge helps to filter out debris, hair and particles, soften the water, and also absorb any unpleasant tastes or odors.
•【Including】Package includes 12 packs of filters for cat water fountain and 12 packs of replacement pre-filter sponge. To ensure better user experience, the cat fountain filter are individually packaged.
•【Note】Before use, soak and flush the pet water fountain filter with clean water,clean the filter every time you change the water of the cat fountain, and change the cat drinking fountain filter and sponge every 2-4 weeks.
•【Quality Materials & Services】The replacement filters for cat fountain are made of safe materials, which helps keep the water fresh and allows pets to drink fresh water. Please feel free to contact us if you have any questions about our products, we'd like to help you!

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$12.59

$14.99

-16%

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Eyehoce

Cat Water Fountain Filter, Eyehoce 32 Pack Replacement Filters for DownyPaws Battery Operated Pet Fountain 84oz/2.5L Wireless Dog Cat Water Dispenser DPWFP6 Filter Set (16 Filters & 16 Sponges)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•[Replacement Filters Set] Includes 16 cat fountain replacement filters and 16 pre-filter sponges to keep your pet's water clean and fresh.
•[Compatibility] The pet water fountain filter is specifically designed for the DownyPaws DPWFP6 cat fountain. To avoid buying the wrong size, please confirm the models of your cat fountains or dog fountains before ordering.
•[5-Level Filtration System for Safe Use] 1.Activated carbon eliminates bad taste and odor. 2.Ion exchange resin softens tap water and reduces limescale. 3.Medical stone removes heavy metals and release trace elements. 4.Non-woven fabric filters hair and debris. 5.The pump’s pre-filter sponge keeps fine particles out. It provides your pet with cleaner, fresher water every day.
•[Practical and Cost-Effective] Keep your pets healthy and hydrated without overspending. Our cat fountain filters are built to last, delivering reliable performance and making pet care easier and more affordable with just a small monthly investment.
•[Usage Tips] For optimal filtering, soak the filter in water for 5 minutes and rinse it for 30 seconds before use. We recommend replacing the filter every 2 weeks. If you have multiple pets or heavy water use, consider changing the filter and cleaning the fountain more frequently to maintain consistent performance and water quality.

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$19.99

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