About Master Flow™ Fresh Air Vent

Master Flow™ Fresh Air Vent can be used to vent a combustion system or anywhere fresh air intake is needed. Sturdy galvanized steel construction includes a built-in screen to help prevent bird entry.

  Weight Diameters

FAV4

 6.6 lb. (2.99 kg) 4" (102 mm)
FAV5 7.4 lb. (3.36 kg) 5" (127 mm)
FAV6 7.8 lb. (3.55 kg) 6" (152 mm)

Product availability is subject to change without notice. Not all products are available from all facilities.

Features & Benefits

Product Documentation

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