STANDARD SQUARE AXIAL FAN, FAN SHAPE SQUARE, MOUNTING EYE O.C. 4 1/8 IN, HEIGHT 4 11/16 IN, DEPTH 1 1/2 IN, WIDTH 4 11/16 IN, CFM @ 0.000-IN. SP 105 CFM, WATTS 19/20 W, VOLTAGE 230V AC, 60/50 HZ HZ, 0.11/0.12 A AMPS, ELECTRICAL CONNECTION - FANS TERMINALS, SOUND LEVEL 48/43, IP RATING IP20, MOUNTING POSITION HORIZONTAL, BEARING TYPE SLEEVE, 2900/2550 RPM RPM, MOTOR DESIGN SHADED POLE, MOTOR INSULATION CLASS A, THERMAL PROTECTION IMPEDANCE, MAX. A