Standard Square Axial Fan, 4 11/16 in Height, 4 11/16 in Width, 1 1/2 in Depth, 115V AC/ SPEED ADJUSTMENTS: SINGLE SPEED WIDTH: 4.690 INCHES NOMINAL LENGTH: 1.520 INCHES NOMINAL FLOW DIRECTION: OUTWARD OPERATING SPEED AT RATED CAPACITY IN RPM: 3100.0 STATIC PRESSURE AT SPECIFIED AIR FLOW RATE: 0.0 INCHES OF WATER DRIVE TYPE: DIRECT PRIME MOVER TYPE: ELECTRIC MOTOR INCLOSURE TYPE: FULLY INCLOSED MOUNTING FACILITY TYPE AND QUANTITY: 8 UNTHREADED HOLE ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE AIR FLOW RATE: 110.0 CUBIC FEET PER MINUTE NOMINAL VOLTAGE IN VOLTS AND CURRENT TYPE: 115.0 AC HOUSING INSIDE DIAMETER: 4.125 INCHES NOMINAL PRIME MOVER DRIVE SHAFT BEARING TYPE: SLEEVE PHASE: SINGLE FREQUENCY IN HERTZ: 50.0 AND 60.0 HEIGHT: 4.690 INCHES NOMINAL MATERIAL: PLASTIC POLYCARBONATE BLADE MATERIAL: ZINC ALLOY HOUSING STYLE DESIGNATOR: 45 FIXED