Master Flow 60 sq. in. NFA Black Resin Square-Top Roof Louver Static Vent (Carton of 10)

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).

• Square-top plastic resin roof vent with pre-drilled holes
• 60 sq. in. of net free area for large venting capacity
• Scratch, crush, and dent resistant