16+16 Pack Replacement Filters for Oneisall PW04 3.5L Wireless Cat Water Fountain, Includes 16 Filters & 16 Sponges

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Perfect Fit: ONLY Designed for Oneisall PW04 3.5L Wireless Cat Water Fountain, ensuring optimal performance and clean water for your pet
In the Box: Each pack contains 16 replacement filters and 16 sponges, it providing a complete set of components. Ready to use straight out of the box
Comprehensive Filtration: 5-layer filtration system composed of activated carbon, ion exchange resin, two layers of non-woven fabric and silver ion ceramic balls. It further filters debris to prevent blockages and damage, which for optimal clean hydration for your cat
For Optimal Use: Simply soak the filter for 5 minutes, rinse it for 30 seconds, then place it into the cat water fountain. Insert the sponge into the pump. No hassle, no complicated steps
Replace Every 1-2 Weeks: For optimal performance, we recommend replacing the filter every 1 to 2 weeks to ensure your pet always has fresh, clean, and safe water. If you have multiple pets, please clean the cat water fountain and change the filter more often