【12 Pack Cat Fountain Filter】Includes 12 Pack Replacement Pet Fountain Filter, Size 4.92*4.92 inch 【High Efficiency Filter】 It is composed of a layer of high quality cotton, activated carbon and an ion exchange resin. Effectively filter hair, heavy metals improve water taste. 【Protect pet health】Use with pet water dispenser to increase pet water intake and reduce the risk of urinary tract infection. 【Note】To prevent the dust on the surface of the filter from falling into the drinking water, please rinse the filter with water before use . And change the filter every 2-4 weeks.
