Ion X Pet Fountain Filters, 4 Pack, Dual Filtration for Cleaner and Fresher Water, Replacement Water Filter PetSafe Outlast Pumpless Viva

UP TO A 4-MONTH SUPPLY: Each filter lasts 2 to 4 weeks, giving you up to a 4-month supply of filters in total TRAPS DEBRIS AND ODOURS: Activated carbon removes tastes and traps pet hair and debris, providing your pet with clean and refreshing drinking water ION-EXCHANGE FILTER: Keeps water soft and fresh, promoting better hydration and overall health for your furry best friend PETSAFE GUARANTEE: Only filter brand guaranteed to fit the PetSafe Outlast Pet Fountain and Viva Pet Fountain