Master Flow 60 sq. in. NFA Resin Square-Top Roof Louver Static Vent in Black

The GAF Master Flow Resin Square-Top Roof Vent is designed for attic ventilation. The fully enclosed hood deters rodent and insect infiltration and leaf and pine needle clogging. The resin square-top roof louver is an excellent choice against weather infiltration. Each vent offers a full 60 sq. in. of Net Free Ventilating Area (NFA).High-impact resin constructionBlack finishScratch, crush, and dent resistant60 sq. in. net free ventilating areaUV resistant