AIRMASTER

ELECTRIC OSCILLATING AND NONOSCILLATING AIR CIRCULATORS, ELECTRIC PORTABLE COOLING FANS AND PROPELLERS FOR ELECTRIC FANS; INDUSTRIAL, COMMERCIAL AND RESIDENTIAL AIR MOVING EQUIPMENT-NAMELY, HIGH AND LOW PRESSURE DIRECT DRIVE EXHAUST FANS, DIRECT AND BELT DRIVEN POWERED ROOF VENTILATORS, WALL VENTILATORS, ATTIC FANS, TUBEAXIAL FANS, PENTHOUSES, I.E., ENCLOSURE MOUNTED OVER A ROOF OPENING AND INCLUDING AN EXHAUST FAN, AIR CONTROL DAMPERS, GRAVITY AND MOTOR DRIVEN SHUTTERS AND PROPELLERS FOR EXHAUST FANS