TÍTULO: 12 Set Replacement Filters & Sponges for 135 fl oz/4L Wilreless Cat Water Fountain, Cat Water Fountain Filter, Triple Filtration Pet Fountain Filter Replacement, Dog Fountain FilterDETALLES:Compatibility12 replacement filters, 12 filter sponges and 12 pump sponges, perfectly for 135 fl oz/4L wilreless cat water fountain We provide 12Month replacement and 24hour customer service, please contact us at any time.Triple Filtration SystemCat 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 SpongeHigh density prefilter 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 RegularlySuggest replacing the filter and sponge every 2 to 4 weeks Please change them more often if have multiple pets.Warm TipsBefore 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.TABLA DE CARACTERÍSTICAS:Dimensiones del producto: 6,1 x 5,2 x 3,5 pulgadasPaís de origen: ChinaNúmero de modelo del producto: CZ-12P