Refresh your cat's drinking water with the Cat Water Fountain Filter, a replacement filter for your cat fountain. Crafted from activated carbon and resin, this high quality filter deeply purifies the water to keep it fresh, clean and safe - an essential step in promoting your cat's health. The resin and cotton mesh also ensure longer life of the filter so you can feel confident that it will continue to keep your pet's water clean over time. Show how much you care about your pet with this Cat Water Fountain Filter - get one today!