[Perfect match] Our filter has 6 filters, which are compatible with 43717 brown filter. Please check your fountain model before purchasing Delivery content: 6 separate cat food filters are packed separately for hygiene and cleaning, providing more protection for your pets [Keep pets healthy]: The improved filter consists of a layer of cotton, activated carbon and ion exchange resin. It can effectively remove hair, heavy metals and improve the taste of water, enabling animals to drink fresh water all day long, helping to increase water consumption and reduce the risk of urinary tract infection Use suggestion: In order to avoid activated carbon dust in water (which will not cause harm to pets), please immerse the filter in water for 15 minutes, and wash it thoroughly with tap water before use. The filter shall be replaced every 2-4 weeks according to the consumption frequency of pets and the number of animals using the well
