Feature: 1. Material: Pet fountain replacement filter is made of cotton material, durable and have a long service time. 2. Keep Water Clean: Pet water fountain filters remove bad tastes and odors from water, keeping water clean. 3. Guard Pet Fitness: Improve water quality of drinking machine, pets can drink clean water all day, guards the fitness of pet. 4. Perfect Fitment: Pet water fountain filters fit for Drinkwell, replacement for the pet water dispenser. 5. Easy Operation: Easy to disassemble and replace as part of routine maintenance, convenient for using. Specification: Item Type: Pet Water Fountain Filters Material: Cotton Size: Length Approx. 14.1cm/5.55in, Width Approx. 8.3cm/3.27in, Thickness Approx. 0.5cm/0.20in Weight: Approx. 256g/9.03oz Fitment: Fit for Drinkwell Package List: 12 xPet Water Fountain Filters