FEATURES AND BENEFITSFor optimal performance, clean the fountain once a week, change the filter every two to four weeks, and disassemble/clean the pump once a month.The video below provides step-by-step instructions for cleaning the pump and applies to all fountain styles.Circulating drinking water is naturally appealing to petsReplaceable charcoal filter for clean and pure, healthy waterBPA-free premium plasticEasy clean and dishwasher safe60 oz capacity reduces the number of daily refillsFung shui design brings calm and peace to your homeContinuously filters waterReplacement Filter: #3003 Pioneer Pet Replacement Filters for Plastic FountainsWater Capacity: 1.7 Litre (60oz)