Standard Square Axial Fan, 4 11/16 in Height, 4 11/16 in Width, 1 1/2 in Depth, 230V AC/ SPEED ADJUSTMENTS: SINGLE SPEED WIDTH: 4.688 INCHES NOMINAL LENGTH: 1.500 INCHES NOMINAL FLOW DIRECTION: OUTWARD AMBIENT TEMP AT FULL RATED POWER: 48.9 DEG CELSIUS OPERATING SPEED AT RATED CAPACITY IN RPM: 3000.0 ELECTRICAL CONNECTION TYPE: TERMINAL 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: 2 FLANGE AND 8 UNTHREADED HOLE ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE AIR FLOW RATE: 100.0 CUBIC FEET PER MINUTE NOMINAL VOLTAGE IN VOLTS AND CURRENT TYPE: 230.0 AC PRIME MOVER POWER RATING: 19.0 WATTS HOUSING INSIDE DIAMETER: 4.000 INCHES NOMINAL PRIME MOVER DRIVE SHAFT BEARING TYPE: SLEEVE PHASE: SINGLE FREQUENCY IN HERTZ: 50.0 AND 60.0 HEIGHT: 4.688 INCHES NOMINAL MATERIAL: PLASTIC POLYCARBONATE BLADE MATERIAL: ZINC HOUSING SURFACE TREATMENT: PAINT HOUSING STYLE DESIGNATOR: 45 FIXED