HAPUP Kitty Spout Cat Fountain Filter Replacement - Arc-Shaped 6-Pack Blue\nProduct Details\n--[Perfect Match] This HAPUP cat water fountain filter replacement Blue-White Upgraded is compatible with our 61 OZ / 1.8 L HAPUP dog cat fountain kitty spout animal water fountain. Encourages your cats, kitty and dogs to drink more, helping them replenish moisture and keep healthy.\n--[Quadruple Filtration System] HAPUP Pet water fountain filters are composed of a separate pre-filter sponge and a triple filtration food grade cat fountain filter. Besides the pre-filter sponge to pretect the pump and filter impurities, PP cotton catch cats hair and debris, the ion exchange resin layer soften the tap water, the carbon layer remove bad taste. The cat fountain filter can effectively maintain water quality by the multiple filtrations to provide healthy and hygienic water to pets.\n--[New Upgraded & More Sufficient Materials]The HAPUP cat water fountain filters are made of food grade, more safe.