General description The 12 Pack Round Flower Shaped Cat Drinking Fountain Filters are designed for use with 1.6L drinking fountains, providing a reliable replacement option for pet owners. These filters utilize high-quality materials to ensure clean and fresh drinking water for your pets. Technical specifications Outer diameter: 12.7 cm Inner diameter: 3.8 cm Thickness: 1 cm Material: non-woven fabric, activated carbon from coconut shells, ion exchange resin Increased internal filter material by 30% for improved efficiency Compatibility and accessories Not suitable for "Catit" fountains Installation Place the raised side up and the flat side down for easy installation Rinse the filter with water before use Usage Recommended to change the filter every 2-4 weeks to maintain water cleanliness Helps prevent common urinary tract diseases in pets by continuously purifying and softening tap water Other information Package contents: 12 pieces flower cat fountain filters