Guaranteed fit: The only filter element brand is guaranteed to fit PetSafe Drinkwell 1/2 gallon (about 1.3 liters), 1 gallon (about 3.8 liters), 2 gallons (about 5.8 liters), Butterfly, Avalon, Ocean View and Creekside Pet Fountain.

Fresh, filtered water: replaceable carbon, by removing peculiar smell and peculiar smell in the water, let your pet keep the water clean.

More affordable: PetSafe brand filters have 50% more carbon than general brands, with excellent and long-lasting filtering effects

Easy to replace: only need to replace the carbon filter when cleaning the pet's fountain; each filter provides 2-4 weeks of filtration

Quality Assurance: The PetSafe brand has become a trusted global leader in pet behavior, tolerance and lifestyle innovation for nearly 30 years; we help pets and their people live happily.

American customer care: Let our pet product experts help; we provide services from Monday to Saturday to answer your questions.