PetSafe Drinkwell Ceramic Charcoal Filters 4 pack

Filters help extend the life of your fountain and pump and should be replaced every 2 to 4 weeks. Compatible Fountains: Drinkwell Avalon (PWW00-13905) and Drinkwell Pagoda (PWW00-13907).

Features:

• Keep your pet's water tasting clean and fresh
• Traps hair and debris
• Extends life of your fountain
• Carbon filters remove bad tastes