TYPE: rotary type Main features: compact size, low noise,ingenious structure,stable air flow,excellent performance Blower Model: HC-30SCapacity scope: 0.31-0.35m3/minPressure scope: 10-50kpaDischarge dia.: 25(1")Cooling type: natural airMatched Motor Power: 0.55kWUsable voltage: 380V,400V,415VFrequency: 50Hz,60Hz About HC-S: The HC-S series rotary blower features high quality construction, and ...