Compatible with Catit Flower Fountain,Catit Design Senses Fountain, Catit Fresh & Clear Stainless Steel Top Drinking Fountain Dual-Action filters: Ion Exchange Resin +Premium Charcoal Remove impurities and odor, keep the water tasting fresh Suggest Replacing Active Carbon Filters Every 2 to 4 Weeks to Keep the Water Clean Package included: 6 X Replacement Filter
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