Master Flow IR65G Roof Louver, 11-3/4 in L x 10-3/4 in W Rough Opening, Resin, Gray

High impact resin. Scratch, crush, and dent resistant, with UV inhibitors to keep consistent color. 12 percent larger flashing with pre-drilled nail holes, and a built-in screen to deter birds and rodents and prevent clogging. Slant back design to prevent weather infiltration especially in deep slope applications. Hood is snapped in place rather than tacked to reduce the chance of blow-off. 11-3/4 x 10-3/4 opening, 20-1/4 x 18 flashing, 5-7/8H. 65 square inches of net free ventilating area. CSA Liste d.Slant-back design is an excellent choice to help protect against weather infiltration, especially in steep-slope applications

Slant-back design is an excellent choice to help protect against weather infiltration, especially in steep-slope applications

High-impact plastic resin construction with UV inhibitors to maintain consistent color

30% more ventilating capacity, a full 65 sq-in of net-free ventilating area (NFA) per vent

Lower installation costs, fewer vents needed for roof installation

12% larger flashing with pre-drilled nail holes makes installation easier and prevents leak

Unique, built-in screen deters bird and rodent infiltration, thereby prevents clogging from leaves and pine needles

Hood is securely snapped in place (rather than tacked) to reduce chance of blow-off