
Cleaner Water, Every Day
A multi-stage filtration system helps keep your cat's drinking water fresher, cleaner, and more appealing between fountain cleanings.

Outer Cotton Layer
Traps loose fur, food particles, dust, and everyday debris before they circulate through the fountain.

Activated Carbon
Helps reduce unpleasant odors and tastes, encouraging cats to drink more throughout the day.

Ion Exchange Resin
Works to reduce common impurities found in tap water for a cleaner drinking experience.

Fine Mesh Filter
Captures remaining particles and helps maintain clear, continuously filtered water.
Fresh Water Cats Love
Cats can be surprisingly picky when it comes to drinking water. Regular filter replacement helps keep fountain water cleaner, fresher, and more appealing every day.For best results, replace your filter every 2–4 weeks.
✅ Helps maintain crystal-clear water
✅ Reduces odors and unwanted impurities
✅ Encourages healthy daily hydration
✅ Simple, mess-free replacement
Cleaner, Fresher Water Your Cat Will Love
Our advanced multi-layer filtration system helps remove hair, debris, and everyday impurities while keeping water fresher and more appealing to drink.
✅ Helps trap hair, dust, and floating particles
✅ Reduces odors and improves water freshness
✅ Encourages healthy daily hydration
✅ Keeps fountain water cleaner between cleanings
Questions & Answers
The Things Every Mom Wants to Know First
How often should I replace the filter?
How often should I replace the filter?
For the best water quality, we recommend replacing the filter every 2–4 weeks. If you have multiple cats or notice the filter becoming dirty sooner, replace it more frequently.
How often should I replace the pre-filter sponge?
How often should I replace the pre-filter sponge?
The pre-filter sponge should be replaced every 2 weeks. It captures hair and larger debris before they reach the main filter, helping extend the life of the filter cartridge and keeping the pump running efficiently.
Is this filter compatible with my CatOasis fountain?
Is this filter compatible with my CatOasis fountain?
These replacement filters are designed specifically for the CatOasis AquaFlow™ Pro Stainless Steel Cat Water Fountain. Please compare the filter shape with your current filter before purchasing.
What does the filter remove?
What does the filter remove?
Each filter features a multi-stage filtration system that helps:
- Remove pet hair and debris
- Reduce odors and unpleasant tastes
- Filter heavy metals and impurities
- Keep water cleaner and fresher for longer
Should I rinse the filter before using it?
Should I rinse the filter before using it?
Yes. We recommend rinsing the filter under clean running water for 30–60 seconds before installation. This helps remove any loose carbon dust, which is completely harmless.
Can I wash and reuse the filter?
Can I wash and reuse the filter?
No. The filter is designed for single-use only. Washing it will not restore its filtration performance and may reduce its effectiveness.
Why is my filter turning yellow or brown?
Why is my filter turning yellow or brown?
This is completely normal. The discoloration is caused by minerals, dirt, pet hair, and impurities collected from the water. It is a sign that the filter is doing its job and should be replaced.
How can I make the filter last longer?
How can I make the filter last longer?
To maximize filter life:
- Replace the water regularly.
- Clean the fountain every week.
- Rinse the pre-filter sponge during cleaning.
- Keep the water level above the minimum line.
Which pack should I choose?
Which pack should I choose?
3-Pack – Perfect for about 2–3 months of use.
6-Pack – A great value for regular use, lasting around 4–6 months.
9-Pack – Best value for multi-cat households or long-term convenience.
What if my order arrives damaged?
What if my order arrives damaged?
If your package arrives damaged or there's an issue with your order, simply contact our support team. We'll be happy to help with a replacement or solution as quickly as possible.
Trusted by Cat Parents Everywhere
Real experiences from customers who make clean hydration a daily priority.