CONTINENTAL FAN AXIAL EXHAUST FAN 830 CFM – RMD-12-11 THIS DOWNBLAST FAN FEATURES DIE FORMED AXIAL FAN BLADES RIVETED TO A STEEL HUB. SUITABLE FOR ROOF OR WALL MOUNTING. SPUN ALUMINUM HOUSING FOR WEATHER RESISTANT DURABILITY. INCLUDES BIRDSCREEN, TOTALLY ENCLOSED, PERMANENTLY LUBRICATED, BALL BEARING MOTOR AND A DISCONNECT SWITCH, RATED FOR 110 DEGREES F. 115V SINGLE PHASE OPERATION. 830 CFM. HORSEPOWER RATING BASED UPON MAXIMUM SPEED/LOAD.