1. Air flow: 234 ~ 273 CFM.
2. Impeller: plastic PA (polyamide glass-fiber reinforced).
3. Motor: capacitor-run induction and external rotor motor.
4. Rotor: black paint.
5. Bearing: dual ball bearing, permanently lubricated.
1. Operating voltage range: (1) 85V AC to 125V AC for 115V type. (2) 185V AC to 245V AC for 230V type. 2. Lead wire: AWG# 18 UL. 2. Insulation: class "B" or "F". 3. Safety: thermally protected (auto restart). 4. Operating temperature: -10°C to +60°C. 5. Weight: 1.2kg.