AC 2720 Series Blower 273mmx220mmx202mm Size:　　 273mmx220mmx202mm Airflow:　 868~965 m3/hr 511~568 CFM Weight:　 3000 g Noise:　　 61~63 dBA Impeller:　 PP UL94V-0 Reinforced Plastic Frame:　　 PP UL94V-0 Reinforced Plastic Connector:　 AMP350781-1 Motor: Capacitor-Run Induction and External Rotor Motor Safety: 　 UL, CE, CUL Operation Temperature: -10°C~+70°C Model BearingSystem Voltage Freq. Current Power Speed Noise Air Flow StaticPressure VAC Hz A W RPM dBA m3/hr CFM (mmH2O) RCL2720S1-C Sleeve 230 50/60 0.80/0.90 150/180 1300/1500 61/63 868/965 511/568 16.6/23.5 RCL2720S2-C 115 50/60 1.4/1.7 150/180 1300/1500 61/63 868/965 511/568 16.6/23.5 RCL2720B1-C Ball 230 50/60 0.80/0.90 150/180 1300/1500 61/63 868/965 511/568 16.6/23.5 RCL2720B2-C 115 50/60 1.4/1.7 150/180 1300/1500 61/63 868/965 511/568 16.6/23.5