PETKIT EVERSWEET Smart Drinking Fountain is using a circular design. Water in the tank will be filter by 3 layers of filtering units.
Under the smart mode, the machine will adjust the frequency of water supply. It saves power and extend the life of filtering unit. It lasts about 3 months.
When the LED indicator is on, please change the filter unit. Suggested replacement cycle: Normal Mode for 4 weeks and Smart Mode for 12 weeks.