Drinkwell Replacement Carbon Filters are sold in packs of 3 & are suitable for all systems. They are essential for maintaining fresh water & should be changed every 6
- weeks.
Drinkwell Carbon Filters remove the taste of Chlorine & other heavy mettles from a pet's drinking water, to keep it clean & fresh.
Drinking more water can help your cat or dog's health, & has been shown to reduce urinary disease in cats.