Construction: 1.Die-cast aluminum housing; 2.Glass fiber reinforced plastic impeller,UL 94V-0 rating; 3.Impedance protected; Specification:Size: 200x 200 x 60mmBearing: ball bearing & sleeve bearingLife expectancy: 50,000 hs at 20°COperation temperature:Ball bearing: -30°C to +75°CSellve bearing: -10°C to +70°CWeight: 1658g MODELSVoltageFrequencyCurrentPowerSpeedAir FlowStatic pressureNoiseWeight ...