FILTER DO DRINKER SET OF 16 Triple filtration products use nonwovens, activated carbon and natural resins to effectively purify water, filter harmful substances in water and provide cats with clean water. FILTER DO CAT DRINKER 16 Replaceable do cat drinker filter that will allow you to use the drinker for many months. The filter removes impurities (hair, food, sediment), improves the taste of water and removes unpleasant odors. Special features: High density cotton -allows you to remove impuritiesliandgt Ion-exchange resin -removes chlorine and heavy metalsliandgt Active carbon from coconut shells -complements filtration and enriches water with essential mineralsliandgt Before use, rinse the water dispenser filter element thoroughly with water, then carefully place it on the water dispenser. To keep the water clean, the water dispenser filter cartridge should be replaced in a timely manner (the filter should be replaced within 2 do 4 weeks). Product packaging: 16 x pet water dispenser filter element (inner diameter: 3,6 cm, diameter 12,7 cm)liandgt Number of pieces in the set: 16