[Applicable Model]: This Cat Fountain Filter Replacement is fit well with WF050 and WF060 transparent fountains.[Triple Filtration]: It is easy to get the healthy drinking water for pets with this Cat Water Fountain Filter,through the triple filtration of Biochemical Cotton and Activated Carbon and Ion Exchange Resin, which can effectively remove impurities and odors in the water and soften the hard water.[Rinse before Use]: Please rinse the Pet Water Fountain Filter directly under water before use WITHOUT any detergent.[Frequency of Replacement]: Please replace the Cat Water Fountain Filters within 2-4 weeks, depending on the number of pets in use.[8 Pieces in 1 Set]: You will get 8 pieces of Pet Fountain Filter Replacement, which use time is usually up to 2 quarter.Colour:BlackandwhiteMaterial:spongeSize:12 x 27 x 2cmPackage Contents:8 x Drink fountain spongesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store