Pioneer Pet Big Max Premium Pet Drinking Fountain Stainless-Steel 128 oz

Circulating drinking water is naturally appealing to pets
Replaceable charcoal filter for clean and pure, healthy water
18/8 stainless steel – stainless steel bowls help protect pets from bacterial infection
Easy clean and dishwasher safe
128 oz capacity reduces the number of daily refills
Extra-large drinking area accommodates any size pet
Continuously filters water
Replacement filter: #3002 (3-pk) and #3014 (4-pk) Pioneer Pet Replacement Filters for Ceramic & Stainless Steel Fountains

For optimal performance, clean the fountain once a week, change the filter every two to four weeks, and disassemble/clean the pump once a month.