PERFECT FIT: Our pet fountain filters replacement is perfectly compatible with Viva pet fountain 64oz/ 140oz. Our cat water fountain filter will be great replacement, ensuring your cat's water fountain stay clean EFFECTIVE FILTRATION: Our compatible with petsafe water fountain filters feature denser pores for effective hair and debris collection, protecting your pet fountain pump and ensuring a happier life for your pets HEALTHIER PET: Our 6-pack compatible with pet safe water fountain filters with perfect size maintain the clean water all the time, contributing to your pet's health and happiness EASY-TO-REPLACE: Easily removable for cleaning and replacement, change compatible with petsafe filters for pet fountains every 1-2 weeks in summer and 2-4 weeks in winter for optimal performance HAPPIER LIVES: Our filter foam compatible with petsafe water fountain capture hair and debris to keep water clean and fresh. Pet fountain filters also help extend the life of your fountain's pump Brand names and/or trademarks are used here only for product description or identification of devices and/or device types. Errors reserved Foam Filters Replacement Compatible with 64oz & 140oz Pet Water Fountain