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How Often Should I Replace My Cat Water Fountain Filter?

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4 min read
How Often Should I Replace My Cat Water Fountain Filter? image

Best Cat Water Fountain Filters to Buy in November 2025

1 Veken Cat Water Fountain Filters, 8 Pack Replacement Filters & 8 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz Automatic Pet Fountain Dog Water Dispenser

Veken Cat Water Fountain Filters, 8 Pack Replacement Filters & 8 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz Automatic Pet Fountain Dog Water Dispenser

  • ENSURES CLEAN, FRESH WATER WITH MULTI-STAGE FILTRATION TECHNOLOGY.

  • TAILORED TO FIT VEKEN FOUNTAINS PERFECTLY FOR ULTIMATE PERFORMANCE.

  • COST-EFFECTIVE MULTIPACK BUNDLE FOR EASY MAINTENANCE AND SAVINGS.

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$16.99 $23.99
Save 29%
Veken Cat Water Fountain Filters, 8 Pack Replacement Filters & 8 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz Automatic Pet Fountain Dog Water Dispenser
2 Veken Cat Water Fountain Filters, 4 Pack Replacement Filters & 4 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz Automatic Pet Fountain Dog Water Dispenser

Veken Cat Water Fountain Filters, 4 Pack Replacement Filters & 4 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz Automatic Pet Fountain Dog Water Dispenser

  • FRESH, CLEAN WATER: MULTI-STAGE FILTRATION KEEPS PETS HYDRATED & HEALTHY.

  • PERFECT FIT: AUTHENTIC VEKEN FILTERS DESIGNED SPECIFICALLY FOR YOUR FOUNTAIN.

  • DURABLE & COST-EFFECTIVE: LONG-LASTING FILTERS AT A MINIMAL MONTHLY COST.

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$11.99 $17.99
Save 33%
Veken Cat Water Fountain Filters, 4 Pack Replacement Filters & 4 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz Automatic Pet Fountain Dog Water Dispenser
3 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)

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)

  • PREMIUM 5-LEVEL FILTRATION FOR HEALTHIER PET WATER DAILY!

  • COMPATIBLE WITH DOWNYPAWS DPWFP6-ORDER RIGHT, AVOID MISTAKES!

  • AFFORDABLE, LONG-LASTING FILTERS ENSURE PET HYDRATION & SAVINGS!

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$19.99
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)
4 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)

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)

  • WIDE COMPATIBILITY: FITS VARIOUS CAT FOUNTAINS; CHECK COMPATIBILITY FIRST!
  • VALUE PACK: INCLUDES 8 FILTERS AND 8 PRE-FILTER SPONGES FOR CONVENIENCE.
  • FRESH & SAFE WATER: MADE FROM SAFE MATERIALS TO KEEP PETS HYDRATED!
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$11.99
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)
5 32 Pcs Cat Water Fountain Replacement Filters-16 Pack Cat Fountain Filters with 16 Pack Sponges, Enhanced Compatibility Pet Fountain Filter Fit for 95oz/2.8L 135oz/4L 67oz/2L Pet Drinking Fountain

32 Pcs Cat Water Fountain Replacement Filters-16 Pack Cat Fountain Filters with 16 Pack Sponges, Enhanced Compatibility Pet Fountain Filter Fit for 95oz/2.8L 135oz/4L 67oz/2L Pet Drinking Fountain

  • BROAD COMPATIBILITY: FITS 95 OZ, 67 OZ, & 135 OZ PET FOUNTAINS EASILY!

  • TRIPLE FILTRATION: ENSURES CLEAN WATER BY REMOVING IMPURITIES EFFECTIVELY.

  • VALUE PACK: 32-PIECE KIT OFFERS SAVINGS & LONG-LASTING FRESHNESS!

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$14.99
32 Pcs Cat Water Fountain Replacement Filters-16 Pack Cat Fountain Filters with 16 Pack Sponges, Enhanced Compatibility Pet Fountain Filter Fit for 95oz/2.8L 135oz/4L 67oz/2L Pet Drinking Fountain
6 24 Pcs Cat Fountain Replacement Filters 12 Pack Cat Water Fountain Replacement Filters with 12 Pack Pre-Filter Sponges, Pet Fountain Filter Fit for 95oz/2.8L Automatic Pet Fountain Cat Water Fountain

24 Pcs Cat Fountain Replacement Filters 12 Pack Cat Water Fountain Replacement Filters with 12 Pack Pre-Filter Sponges, Pet Fountain Filter Fit for 95oz/2.8L Automatic Pet Fountain Cat Water Fountain

  • COMPATIBLE WITH 95OZ/2.8L FOUNTAINS-CHECK YOUR MODEL BEFORE BUYING!

  • TRIPLE FILTRATION SYSTEM REMOVES HAIR, HEAVY METALS, AND IMPURITIES.

  • 24-PACK INCLUDES FILTERS AND PRE-FILTER SPONGES FOR LONG-LASTING USE!

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$15.99
24 Pcs Cat Fountain Replacement Filters 12 Pack Cat Water Fountain Replacement Filters with 12 Pack Pre-Filter Sponges, Pet Fountain Filter Fit for 95oz/2.8L Automatic Pet Fountain Cat Water Fountain
7 Pet Fountain Filter Replacement Compatible with Drinkwell Fountain Stainless Steel 360 Avalon, Pagoda Seascape and Sedona Water Bowl, Dog and Cat Pet Water Fountain Prefilters

Pet Fountain Filter Replacement Compatible with Drinkwell Fountain Stainless Steel 360 Avalon, Pagoda Seascape and Sedona Water Bowl, Dog and Cat Pet Water Fountain Prefilters

  • ENHANCES WATER QUALITY FOR HAPPIER, HEALTHIER PETS.
  • INCREASES FILTER PUMP LIFESPAN AND WATER FLOW RATE.
  • RISK-FREE SATISFACTION WITH REPLACEMENT GUARANTEE.
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$25.99
Pet Fountain Filter Replacement Compatible with Drinkwell Fountain Stainless Steel 360 Avalon, Pagoda Seascape and Sedona Water Bowl, Dog and Cat Pet Water Fountain Prefilters
8 GIOTOHUN Cat Water Fountain Filter Replacement: 12 Cat Fountain Filter - 12 Pet Fountain Filter - 6 Carbon Filters & 6 Foam Filters - Suitable for GIOTOHUN Stainless Steel Cat Fountain S11

GIOTOHUN Cat Water Fountain Filter Replacement: 12 Cat Fountain Filter - 12 Pet Fountain Filter - 6 Carbon Filters & 6 Foam Filters - Suitable for GIOTOHUN Stainless Steel Cat Fountain S11

  • PERFECTLY MATCHED FOR GIOTOHUN 2.2 L CAT WATER DISPENSER.
  • 12-PACK FILTERS ENSURE 3-6 MONTHS OF CLEAN WATER FOR PETS.
  • MULTI-LAYER FILTRATION IMPROVES WATER QUALITY AND TASTE EFFECTIVELY.
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$19.99
GIOTOHUN Cat Water Fountain Filter Replacement: 12 Cat Fountain Filter - 12 Pet Fountain Filter - 6 Carbon Filters & 6 Foam Filters - Suitable for GIOTOHUN Stainless Steel Cat Fountain S11
9 Cat/Pet Water Fountain Filters, 12 Pieces Set Pack of 8 Replacement Filter Fit for 81oz/2.4L, 3 Filtration System with 4 Pre-Filter Sponges

Cat/Pet Water Fountain Filters, 12 Pieces Set Pack of 8 Replacement Filter Fit for 81oz/2.4L, 3 Filtration System with 4 Pre-Filter Sponges

  • WIDE COMPATIBILITY: FITS MOST 81OZ/2.4L ROUND PET FOUNTAINS.

  • VALUE PACK: 8 FILTERS AND 4 PRE-FILTER SPONGES, ALL SEALED!

  • TRIPLE FILTRATION: REMOVES IMPURITIES, IMPROVING WATER TASTE FOR PETS.

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$12.99
Cat/Pet Water Fountain Filters, 12 Pieces Set Pack of 8 Replacement Filter Fit for 81oz/2.4L, 3 Filtration System with 4 Pre-Filter Sponges
10 50 Pack Cat Water Fountain Filters for 108/3.2L& 67oz/2L Stainless Steel Pet Water Dispenser Cat/Dog Fountain Filter Replacement(25 Filters & 25 Sponges)

50 Pack Cat Water Fountain Filters for 108/3.2L& 67oz/2L Stainless Steel Pet Water Dispenser Cat/Dog Fountain Filter Replacement(25 Filters & 25 Sponges)

  • 100% COMPATIBLE: FITS 108/3.2L & 67OZ/2L STAINLESS STEEL DISPENSERS.

  • NATURAL MATERIALS: CRAFTED WITH COCONUT SHELL CARBON FOR SAFE FILTRATION.

  • AFFORDABLE VALUE: 25 FILTERS & SPONGES ENSURE A YEAR'S SUPPLY IN ONE PACK.

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$18.98 $25.99
Save 27%
50 Pack Cat Water Fountain Filters for 108/3.2L& 67oz/2L Stainless Steel Pet Water Dispenser Cat/Dog Fountain Filter Replacement(25 Filters & 25 Sponges)
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ONE MORE?

The frequency of replacing the water fountain filter for your cat depends on a few factors. Generally, it is recommended to replace the filter every 2 to 4 weeks, but this can vary based on the quality of the filter, the number of cats using the fountain, and the water quality in your area.

If your cat's water fountain has a carbon filter, it needs to be replaced more often as the carbon's ability to absorb impurities diminishes over time. A carbon filter may require replacement every 2 to 4 weeks or when it appears visibly dirty or discolored.

If your cat's water fountain has a foam filter, it typically needs to be cleaned and rinsed regularly to maintain optimal filtration. However, foam filters may also require replacement every 2 to 4 weeks, depending on usage.

It is essential to check the manufacturer's recommendations for your specific cat water fountain, as they may provide more specific guidelines for filter replacement. Additionally, monitoring the water quality and observing any changes, such as an increased odor or discoloration, can be indications that a filter replacement is needed sooner.

Regularly replacing the filter ensures that your cat has access to clean and fresh water, promoting their overall health and hydration.

How often should I replace my cat water fountain filter?

The frequency of replacing the cat water fountain filter depends on several factors, including the type of filter, the quality of water, the number of cats using the fountain, and the manufacturer's recommendations. It is generally recommended to replace the filter every 2-4 weeks. However, if you notice a decrease in water flow, a change in water odor or taste, or the filter appears visibly dirty, it may be necessary to replace it earlier. It's important to regularly check and clean the filter to ensure your cat has access to clean and fresh water.

Does replacing the filter affect the taste of the water?

Yes, replacing the filter can affect the taste of the water. Water filters are designed to remove impurities, such as chlorine, bacteria, and other contaminants, which can have an impact on the taste and odor of the water. Over time, the filter can become clogged or saturated with impurities, reducing its effectiveness. By replacing the filter regularly, you ensure that it continues to remove these impurities and maintain the taste and quality of the water.

Are there any maintenance tips to prolong the life of the filter?

Yes, there are several maintenance tips that can help prolong the life of a filter:

  1. Regularly clean the filter: Depending on the type of filter you have, it may require cleaning either by rinsing with water or using a cleaning solution. Follow the manufacturer's instructions for cleaning to prevent clogging and maintain optimal performance.
  2. Replace or clean filter media: Some filters have replaceable filter media that need to be replaced periodically. Others have reusable media that can be cleaned and reused. Check the filter's manual for recommended replacement or cleaning intervals.
  3. Keep the filter area clean: Regularly clean the area around the filter to prevent debris, dust, or other materials from clogging the filter or affecting its performance. Use a vacuum or a soft brush to remove any buildup.
  4. Monitor water quality: Regularly test the water for pH levels, chlorine levels, and other parameters to ensure the filter is effectively removing impurities. Extreme water conditions can place additional strain on the filter and may require more frequent cleaning or replacement.
  5. Check for leaks or damage: Inspect the filter regularly for any signs of leaks or damage. If you notice any cracks, loose connections, or other issues, address them promptly to prevent further damage or contamination.
  6. Follow proper installation guidelines: Ensure the filter is installed correctly according to the manufacturer's instructions. Improper installation can lead to reduced filter efficiency or potential damage.
  7. Keep the filter system well-maintained: In addition to the filter itself, make sure the entire filtration system is well-maintained. This includes cleaning or replacing any pre-filters, regularly servicing the pump or motor, and ensuring proper water circulation.

Following these maintenance tips will help prolong the life of your filter, maintain optimal performance, and ensure clean and healthy water.

How often should I change the water in the cat water fountain?

To maintain a clean and fresh water supply for your cat, it is recommended to change the water in the cat water fountain at least every 2-3 days. However, this may vary depending on factors such as the type of fountain, the number of cats using it, and the surrounding environment. It is important to regularly check the water level and cleanliness to ensure your cat has access to clean water all the time.