4-pack replacement filter compatible with PetSafe® Outlast™ Pet Fountain and Viva™ Pet Fountains

Each filter lasts 2 to 4 weeks, giving you up to a 4-month supply of filters in total

Activated carbon removes bad tastes and odors while ion-exchange filter keeps water soft and fresh

BPA-free plastic pre-filter helps trap pet hair and larger debris keeping the water clean for your pet

Only filter brand guaranteed to fit the PetSafe® Outlast Pet Fountains and Viva™ Pet Fountains