Catit Triple Action Replacement Original Water Fountain Filters, 12 Pack – Official Replacement Filters for Catit Cat Drinking Water FountainsSet of 12 filters compatible with the Catit Flower Fountain, Catit LED Flower Fountain, Catit Stainless Steel Flower Fountain and Catit Stainless Steel Drinking Fountain Helps filter out unclean substances, like dirt and cat hair, from your cats drinking fountain Cat fountain filter has active carbon to remove odors and impurities Ion exchange resin softens hard tap water; this helps keep both the water and cat flower fountain clean The cat water