... 4. Strong air flow Products DescriptionYYF medium pressure blower adopts centrifugal structure, has aluminum alloy and cold- ... -rolling steel housing, have 180W, 250W, 370W, 550W, 750W, 900W, 1100W, 1500W, 2200W and 3000W, total 10 ... per clients' requirement.Picture: air blower, air blower, air blower, air blower, air blower, air blower, air blower, air blower, air blower Aluminum Housing Medium Air ...