HIGH COMPATIBITY: Pack of 12; Dimensions: 3.3" * 3.3”* 0.4”(L * W * H); Compatible with Catit PIXI green, pink, blue, white, stainless steel cat drinking fountain 68oz/2L 85oz/2.5L. The cat water fountain filter replacement is accurate in size and easy to install MULTIPLE FILTRATION: The cat drinking fountain filter replacement is saturated filled with premium activated carbon, ion exchange resin and and non-woven fabric, fully isolate cat hair and food residue, remove impurities and particle, filter heavy metals and odors, soften tap water and obtain clean and fresh water PROTECT YOUR PET: The cat fountain filter replacement is made of high-quality materials, safe and odorless. It plays an important role in improving water quality and protecting the health of pets' urinary system REGULAR REPLACEMENT: In order to ensure the health of your pets, please maintain the habit of changing the water fountains filter for cats indoor every half month and the pre-filter sponges every one month CUSTOMER SERVICE: If there is any unsatisfactory with replacement triple action water filters, please feel free to contact us, we will try our best to provide a perfect after-sales service for you. cat water fountain filter, cat fountain filter replacement, pet drinking fountain filter, filters for cat water fountain, cat water bowl, automatic water dispenser for cats