replacement filters for the Arquivet water fountain. Quad filter: high-density cotton, coconut shell, activated carbon and ion exchange resin. It is recommended to replace them regularly every 2 to 4 weeks. Features:The filters are suitable for the 2L water fountain, ideal for cats and small or medium-sized dogs.With quadruple filter: high-density cotton, coconut shell, activated carbon and ion exchange resin.Filters impurities, eliminates bad odors, softens and improves the taste of waterIt is recommended to replace them regularly every 2 to 4 weeks to ensure the cleanest water source for your cats and dogs
