【Ultra-Quiet & Safe Design】The water pump is ultra-quiet (measured below 20dB). No loud noises to disturb your pet’s rest and sleep. The pet fountain has a 3-speed water flow switch. The pet water fountain automatically shuts off when there is no water. Don’t worry if the drinking fountain runs out of water. There will be no danger if you don’t turn off the power. 【Triple Filtration System】The pet water fountain comes with 3 filter elements, which are made of strong fibers, activated carbon, ion exchange resin and a multilayer of filter sponge, forming a triple filtration system to filter impurities, eliminate bad odors, soften water quality. Not changing the water can also provide clean and fresh fountain water for pets, encouraging them to drink more water. 【Large Capacity】It has a water capacity of 2.0 liters (68 oz). It is suitable for different cats, dogs or other small to medium sized pets. No need for frequent water changes, no need to worry about your pet running out of water