A.O. Smith 3.3" Shaded Pole Draft Inducer Blower - 3000 RPM 115 VoltsShaded PoleStainless steel shaft60 HZAutomatic OverloadHorsepower rating based upon maximum speed/loadMade in the USA Product Specifications BRANDA.O. Smith DIAMETER INCHES3.3 MAXIMUM AIRFLOW CFM90 RPM2975 SPEEDS1 VOLTAGE115 HERTZ (HZ)60 AMPS1.1 HORSEPOWER1/50 OVERLOADAutomatic ROTATION (VIEW FROM MOTOR SIDE)CW BEARING TYPESleeve ENCLOSURE TYPEOpen MOTOR TYPEShaded Pole LISTING, RATING, CERTIFICATIONUL and CSA MANUFACTURER'S PART NUMBER9438