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Only Lomanco's WhirlyBird turns in breezes less than 3km/hr! Tested to withstand winds of 236km/hr! Exclusive vari-pitch base adjusts to 12/12 roof pitch. Superior self lubricating bearing system results in low drag and quiet operation; Designed to keep dirt and moisture out. It's the turbine that keeps turning! Maintenance Free!
The "Maid-O'-Mist # 67 Auto vent is designed for continuous venting of hot water heating systems. For use on convector radiators, baseboard radiation and radiant panels
The Master Flow High Impact Resin Circular Vent is an easy-to-install option for providing critical intake ventilation at hard to ventilate or other restricted areas. Product snaps into place. The one piece construction eliminates the need for screen.
The Master Flow Aluminum Square-Top Utility Vent is designed for attic ventilation. The fully enclosed hood deters rodent and insect infiltration and leaf and pine needle clogging. Recommended for kitchen duct outlets, bathroom fan exhausts, as well as attic ventilation. Each vent offers a full 50 sq. -Inch of net free ventilating area (NFA).