12 Set Replacement Filters & Sponges for 135 fl oz/4L Wilreless Cat Water Fountain, BFLICROY Cat Water Fountain Filter, Triple Filtration Pet Fountain Filter Replacement, Dog Fountain Filter

😺【Compatibility】12 replacement filters, 12 filter sponges and 12 pump sponges, perfectly for 135 fl oz/4L wilreless cat water fountain. 😺【 Triple Filtration System】Cat water fountain filters come with 3 layer filtration system, high density cotton can fliter hairs and debris, keep water clean; Activated carbon can remove chlorine and odor, purify and freshen water; Ion exchange resin can filter heavy metals and improve the taste. 😺【Filter Sponge& Pump Sponge】High density pre-filter sponge can further filter out impurities, fully leverage the filtering effect; High density pump sponge can filter impurities, preventing them from entering into water pump, it can help extend pump life. 😺【Replace Filter Regularly】Suggest replacing the filter and sponge every 2 to 4 weeks; Please change them more often if have multiple pets. 😺【Warm Tips】Before replacing the filter, please soak the filter for 5 minutes and thoroughly rinse it before use, which will prevent carbon dust from shedding into water, keep water clean.