AC 1439 Series Blower 143mmx143mmx99mm Size:　　 143mmx143mmx99mm Airflow:　 27~34 m3/hr16~20 CFM Weight:　 900 g Noise:　　 41~45 dBA Impeller:　 ABS UL94V-0 Reinforced Plastic Frame:　　 ABS UL94V-0 Reinforced Plastic Lead Wire: SPT-2 OR Customize Design (Optional) Motor: Shaded Pole Induction Motor Safety: 　 UL,CE Operation Temperature: -30°C~+70°C Model BearingSystem Voltage Freq. Current Power Speed Noise Air Flow StaticPressure VAC Hz A W RPM dBA m3/hr CFM (mmH2O) RCH1439S1 Sleeve 230 50 0.7 43 2600 41 27 16 13 RCH1439S2 120 60 1.1 48 2900 45 34 20 21