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The Broan-NuTone® 639 Steel Wall Cap is a robust, easy-to-install vent for exhaust fans (bathroom, range hood, rec room, home gym, etc.). This cap provides reliable ventilation and features both a back draft damper and bird screen, preventing outside air from entering the home and birds or small pests from entering duct work. The back draft damper is spring loaded and features a padded damper zone, which reduce noise from wind induced chatter. Compatible with 3-1/4" x 10" ducting. Not suitable for dryer venting.
The Master Flow 16 -Inch x 8 -Inch Resin Automatic Foundation Vent in Black helps to reduce moisture and helps prevent decay in your foundation with a net free vent area of 57 sq. -Inch The vanes are factory set to automatically open fully at 70°F and close fully at 40°F. The UV resistant resin constructed unit easily slips into place and is held in place by tightening the 4 screws in the face of the unit.
The Master Flow Aluminum Under Eave Soffit Vent is an easy-to-install option for providing critical intake ventilation at the soffit or under-eave portion of the roof. One-piece louvered construction includes a screen. Each vent offers a full 50 sq. -Inch of Net Free Ventilating Area (NFA).
Master Flow Gable mount attic ventilators are a great choice for exhaust ventilation. They are the easiest power vent to install and won't detract from the appearance of your roof. They remove the greatest volume of hot and/or humid air from your attic, saving you more in heating and cooling costs than any other type of ventilation.