cat Water Fountain Filters and Pre-Filter Sponges

compatible 84oz25L Square cat Water Fountain: The pet water fountain filters are designed compatible with 84oz25L square cat water fountain Keep Your Pet HealthyEach filter is composed of a cotton layer activated carbon and an ion exchange resinFilter hair and residue remove odors and soften water getting better water tasting Pre-filter sponge filter impurities and extend pump life Easy To Uselease soak the cat fountain replacement filter in water for 2 minutes and rinse it thoroughly under running water requency Of ReplacementAccording to your pets drinking frequency and the number of pets using the fountain please replace the filter every 2 to 4 weeks replace the sponge every 4 to 8 weeks 4Pack Filters and 2 Pack Spongesackage includes 4 pack pet fountain replacement filters and 2 Pack Replacement Pre-filter Sponges They are individually packaged and sealed to maintain high quality