Cleaner water
The three-layer filtration system removes hair, particles, and heavy metals, keeping your cat's drinking water clean and fresh.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Fresh, clean water for your feline friend
Keep your cat's fountain water clean and great-tasting with these replacement filters, designed to remove hair, particles, and heavy metals while improving taste.
- Three-layer filtration: cotton layer, activated carbon, and ion exchange resin
- Effectively filters hair, particles, and heavy metals
- Improves water taste for better hydration
- Individually sealed for hygiene and freshness
- Compatible with 84oz/2.5L square pet fountains
- Recommended replacement every 2–4 weeks
Why your cat will love these filters
Better taste
Activated carbon and ion exchange resin help improve water taste, encouraging your cat to stay hydrated throughout the day.
Hygienic and fresh
Each filter is individually sealed to maintain hygiene and freshness until you're ready to use it.
Easy maintenance
Simply soak the filter in water for 2 minutes and rinse before use, with replacement recommended every 2–4 weeks.
Setup
Simple setup in minutes
No electrician, no wiring, no fuss.
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Soak
Soak the filter in water for 2 minutes before first use.
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Rinse
Rinse the filter thoroughly under clean water.
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Install
Place the filter into your 84oz/2.5L square pet fountain and replace every 2–4 weeks.
Specs
The details that matter
Built to last outdoors, season after season.
- Filtration layers
- Cotton layer, activated carbon, ion exchange resin
- Compatibility
- 84oz/2.5L square pet fountains
- Replacement interval
- Every 2–4 weeks
- Pack size
- 4pack, 8pack
Comparison
Why choose these filters
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Filtration layers
Three-layer: cotton, activated carbon, ion exchange resin
Single-layer basic filtration
Contaminant removal
Filters hair, particles, and heavy metals
Only traps larger debris
Water taste
Improves taste with activated carbon
No taste improvement
Packaging
Individually sealed for hygiene
Bulk-packed, less protected
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
How does the three-layer filtration system work?
The filter uses three layers: a cotton layer to trap hair and particles, activated carbon to absorb impurities, and ion exchange resin to remove heavy metals, ensuring clean, fresh water for your pet.
Which fountains are these filters compatible with?
These filters are designed for 84oz/2.5L square pet fountains, so be sure to check your fountain's size and shape before purchasing.
How do I prepare a new filter before use?
Soak the filter in water for 2 minutes and rinse it thoroughly before placing it in your fountain. This helps activate the filtration layers.
How often should I replace the filter?
It is recommended to replace the filter every 2–4 weeks to maintain optimal water quality and filtration performance.
What contaminants does this filter remove?
The filter effectively removes hair, particles, and heavy metals from the water, while also improving its taste for a more pleasant drinking experience.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.