Toppets Automatic Pet Filtered Drinking Water Fountain For Dogs, Cats, And Pets 135 Oz. Holds 4 Liters, Cycles Continuously to Encourage Pets to Drink Activated Carbon Filter Removes Impurities From the Water with Every Cycle Disassembles in Seconds for Easy Cleaning; Most Parts Are Dishwasher-Safe Powered by AC adapter and features an Efficient Noise-Free Water Pump and Multi-height drinking levels Suitable for cats, dogs, and other small pets