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 8 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.