PREMIUM FILTRATION --- Our replacement foam filters compatible with pet safe pet fountains capture hair and debris to keep water clean and fresh. Compatible with drinkwell pet fountain filters help extend the life of your fountain's pump PERFECT FIT --- Our pet fountain filter is compatible with Drinkwell Stainless Multi-Pet, Avalon, Pagoda, Seascape, and Sedona fountains. Our cat water fountain filter will be great replacement, ensuring your cat's water fountain stay clean HEALTHIER PET --- Our 18-pack premier pet fountain filters 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 cat water fountain filter replacement every 1-2 weeks in summer and 2-4 weeks in winter for optimal performance HAPPIER LIVES --- Our compatible with pet safe water fountain filter replacements feature denser pores for effective hair and debris collection, protecting your pet fountain pump and ensuring a happier life for your pets *Brand names and/or trademarks are used here only for product description or identification of devices and/or device types. Errors reserved PERFECT FIT --- Our pet fountain filter is compatible with Drinkwell Stainless Multi-Pet, Avalon, Pagoda, Seascape, and Sedona fountains. Our cat water fountain filter will be great replacement, ensuring your cat's water fountain stay clean