【Ultra Quiet Pump】: This fountain is equipped with a super quiet pump (≤30dB). That is to say if you put it on a very flat ground you will hear no engine noise, only the noise of the water but which is rather relaxing. Both the motor consumes very little energy which is good environmental and economical even if you let it work every day. 【Efficient Filtration System】: The water in this fountain will be 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 entices 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 Tank】: The transparent tank is convenient for you to see the water level to be able to add more. 2L capacity can meet small and medium pets'