【Ultra Quiet Pump】: This fountain is equipped with a super quiet pump (≤30dB). That is to say if you put it on a flat ground you will hear no motor noise, only noise of the water but which is rather relaxing. At the same time the motor consumes very little energy which is very ecological and economical even if you leave it to work every day. 【Efficient Filtration System】: The water in this fountain goes filtered by high density sponge and fine filtering with high density cotton, coconut shell, activated carbon and ion exchange resin. This filtration will give cleaner and softer water. Provide a safe source of water for pets. 【3 Modes Water Flow】: Movement encourages pet to drink. You can easily adjust the flow of the jet by the removable flower. Waterfall mode, ball mode or soft fountain mode depending on the cats preference. 【2L Capacity Transparent Reservoir】: The transparent reservoir is convenient for you to see the water level to add more. 2L capacity can meet small and medium