Pioneer Pet Swan Pet Drinking Fountain Plastic 80 oz

Circulating drinking water is naturally appealing to pets
Replaceable charcoal filter for clean and pure, healthy water
BPA-free premium plastic bowl and spout
Easy clean and dishwasher safe
USB connector
80 oz capacity reduces the number of daily refills
Continuously filters water
Replacement filter: #3091 Pioneer Pet Replacement T-Shape Filters
Replacement pump: #3077 5V Pump & Transformer

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.