High-Pressure Vortex Ring Regenerative Blower for Sewage Aeration Aquarium,Industrial regeneration blower is multi-purpose, suitable for textile, industry, construction, powder conveying, pond oxygenation, printing and papermaking and other industries, with strong practicality Product name: high pressure blower Casing material: aluminum Coil material: pure copper Air outlet direction: blowing and suction Rated power: 50Hz Motor speed: 2980/min Voltage: 110V Wattage: 120W (maximum wind pressure 7.5kPa, maximum suction pressure 6.7kPa) 180W (maximum wind pressure 8.5kPa, maximum suction pressure 7.6kPa) 250W (maximum wind pressure 9.5kPa, maximum suction pressure 8.6kPa) 350W (maximum wind pressure 11kPa, maximum suction pressure 10kPa) 370W (maximum wind pressure 12kPa, maximum suction pressure 11kPa) 550W (maximum wind pressure 14kPa, Maximum suction pressure 13kPa) 750W (maximum wind pressure 21kPa, maximum suction pressure 20kPa) Packaging: Regeneration blower (with English manual)