Compatible with PetSafe Drinkwell Original, Platinum, Big Dog, Multi-Tier, Outdoor Dog, Mini, Everflow and Zen Pet Fountains
Removes bad tastes and odors from the water, keeping it fresh
Activated carbon water filter made from coconut shells
Change every 2-4 weeks to maintain water freshness
PetSafe Drinkwell branded filters contain 50% more carbon than generic brands for better and longer-lasting filtration
Fit securely in PetSafe Drinkwell fountains to more effectively filter water and debris