Official Replacement Filters for Tomxcute Cat Water Fountain 108oz/3.2L and 135oz/4.0L, 16 Pack Filters & 8 Sponges Foam Filter

Replace Regularly - Pet water fountain need to replace the carbon filter every 4 weeks.(The hot weather breeds mosquitoes, please replace the carbon filter once 2 weeks）, and replace the foam filter every two months to keep the water fresh.. Quantity Specification - Set of 16 filters and 8 sponges compatible, easy replacement, bringing more protection to your pet.. Three-Layer Filtration - First Filter，Block Hair and Debris，Middle Filter，Remove Residual Heavy Metals，Third Filter，Healthier, High-quality Flowing Water，Allow pets to drink clean, fresh water throughout the day.. Matters needing attention - Soak the lter in a clean bowl for 5 minutes Notes， The lter must be fully soaked before the fountain is turned on; Otherwise, the water may not diuse through the lter and cause overow，Do not soak the lter in the fountain tank to avoid dust on the surface.