General Information Manufacturer ebm-papst Part Number R1G133-AB41-52 Type Blower - Impeller California Residents Physical Characteristics Dimensions 133 mm x 91 mm Termination Style 4 Wire Leads Weight (Approximate) 1.7 lbs Specifications Operating Supply Voltage 48VDC Airflow 212.0 CFM Speed 3,900 RPM Bearing Type Ball Bearing Noise Level 63.0 dBA Power Rating 28.0W Housing Material Metal Current Type DC