A.O. Smith 3.3" Shaded Pole Draft Inducer Blower - 2800 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 CFM85-55 RPM2800/1800 SPEEDS2 VOLTAGE115 HERTZ (HZ)60 AMPS0.65-0.45 HORSEPOWER1/70 OVERLOADAutomatic ROTATION (VIEW FROM MOTOR SIDE)CCW BEARING TYPESleeve ENCLOSURE TYPETotally Enclosed MOTOR TYPEShaded Pole LISTING, RATING, CERTIFICATIONUL and CSA MANUFACTURER'S PART NUMBER414