Adjustable Air Pump: With adjustment control knob, the air flow can be adjusted according to your own preferences, up to 160GPH. The air is used to vibrate the air bubbles to increase the area of the water contact with the air, so that the water can dissolve the oxygen, thereby increasing the oxygen content in the water
Double Air Outlet Pump: The bubbles are even,natural and stable. Can be connected to nano air stone, biochemical sponge filter, landscaping windmill rockery, aquarium air shell and other aerobic landscaping equipment. Suitable up to 150gallon fish tanks (cannot exceed 5 feet water depth)
6-step Quiet Air Pump: Thickened ABS plastic, sealing machine noise; Stainless steel cover, locked motor sound; Bearing less motor, works through magnetic bearings; Internal support feet, the motor does not touch the cover, reduce noise; 8 bottom rubber feet, reduce vibration; Noise reduction motor.The water cup on on top of pump will not vibrate violently and flow out