Replacement Filters&Sponges For one hundred thirty five Fl Oz/4L Cat Water Fountain Filter Triple Filtration Pet Fountain Filter [Compatibility]perfectly for a hundred thirty five fl oz/4L wilreless cat water fountain. [ Triple Filtration System]Cat water fountain filters encompass three layer filtration system, high density cotton can fliter hairs and debris, preserve water clean; Activated carbon can eliminate chlorine and odor, purify and freshen water; Ion update resin can clear out heavy metals and improve the taste. [Filter Sponge& Pump Sponge]High density pre-filter sponge can more filter out impurities, fully leverage the filtering effect; High density pump sponge can filter out impurities, stopping them from entering into water pump, it is going to help increase pump life. [Replace Filter Regularly]Suggest replacing the clear out and sponge every single 2 to 4 weeks; Please replace them more usally if have a number of pets. [Warm Tips]Before changing the filter, please soak the filter out for five mins and carefully rinse it earlier than use, which will forestall carbon filth from laying off into water, hold water clean. Product Benefits: Removes impurities Colour:Photo Color Material:Polyester Specification:12Set Package Contents: 12 x Replacement Filters 12 x Filter Sponges 12 x Pump Sponges Specification:6Set Package Contents: 6 x Replacement Filters 6 x Filter Sponges 6 x Pump Sponges Only the above kit content, other products aren't included. Note: Light mirrored image and different displays could cause the color of the thing within the photo slightly various from the genuine thing. The size allowed error is +/- 1-3cm.