Avocado Shapes and Styles: The top of this avocado shaped water dispenser is wide enough to give pets more room to drink without touching the fountain and its unique shape and style allow better decoration. High-quality filter and sponge: The surface of the cat water fountain is made of high-density cotton, which can continuously filter and effectively filter hair, debris and dirt. sand and effectively remove odors and impurities, soften water, remove calcium and magnesium ions, which provides cleaner water to help keep your pets healthy and hydrated. There is a replaceable sponge for the small water tank. Ultra-quiet smart pump: The pump is ultra-quiet and has low power consumption. The PeTnessGo Cat Water Fountain comes with an auto shut-off feature at low water level. There is a flashing security light to provide an alarm. This design prevents the pump from running dry for your safety. Note: It is powered by USB cable (adapter not included), please follow the instructions to use