Master Flow 50 sq. in. NFA Weatherwood Aluminum Square-Top Roof Static Vent (Carton of 10)

The GAF 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. in. of net free ventilating area (NFA).Aluminum constructionWeathered wood finish50 sq. in. net free ventilating areaFull 50 sq. in. of net free ventilation area (NFA) per ventLong-lasting aluminum constructionAvailable in 4-colors to complement most roofs (Mill, black, brown and weatherwood)