Item: Air Pump Model No.: SY-P9801 Input: AC120/220V Pressure: 0.012MPa Exhaustion Amount: 10L/min Frequency: 50Hz Power: 10W Noise: 25dB(A) Weight: 1.40Kg Machine Size: 203x145x97mm Approval: CE Applications: Water system, ventilation system, ozone system, aquarium... Payment Term: T/T, L/C Lead Time: 5-10 working days Instructions: (1) Air Pump must be placed above water level (2) Do not submerge the air pump into the water (3) Do not oil at any time (4) Disconnect the plug if the pump fails down (5) Clean or replace air tube or stone regularly to obtain maximum airlet and longer life