1. Air flow: 497 ~ 611 CFM.
2. Housing: die-cast aluminum.
3. Blades: sheet-steel, welded onto rotor.
4. Bearing: dual ball bearing, permanently lubricated.
5. Termination: terminals or lead wire.
1. Operating voltage range: (1) 85VAC to 125V AC for 115V type. (2) 185VAC to 245VAC for 230V type. 2. Insulation: class "B" or "F". 3. Safety: thermally protected (auto restart). 4. Operating temperature: -10°C to +70°C (humidity 30%~85% RH). 5. Weight: 1.92kg.