PetSafe Drinkwell 360 Replacement Foam Filter for Dog and Cat Water Fountains, 2 Pack GUARANTEED FIT: The only filter brand guaranteed to fit the PetSafe Drinkwell Plastic 360 Pet Fountain FILTERED WATER: Replaceable foam filter catches hair and debris, keeping your pet's water clean and fresh PROTECTS PUMP: Helps extend the life of your water fountain pump EASY-TO-REPLACE: Easily removes for pump cleanings and foam filter replacement; change every 1-2 months to maintain your pet water fountain PRODUCT SUPPORT: PetSafe brand's US-based Customer Care experts will be glad to help; call Monday through Saturday at 1-800-845-3274 EXPERIENCE: PetSafe brand has been an industry leading US manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year Compatible with PetSafe Drinkwell Plastic 360 Pet Fountains Replaceable foam filter catches hair and debris keeping water clean Protects the pump and extends the life of your fountain Change every 1-2 months to maintain your pet fountain Specifically designed to fit seamlessly in PetSafe Drinkwell fountains in order to protect the pump properly Call, chat or email with our expert US-based customer care specialists six days a week; they are waiting to assist you and your pet with your product needs PetSafe brand has been an industry leading US manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year