L L Building Products SSB960A "Gaf/Master Flow" Slant Back Roof Louver, Mill Finish Winter_Items Length: 78"

Length: 78"

Fits most 3/4" to 1-1/4" thick doors

Dries to non-oily finish that is water and alcohol resistant

Does not penetrate beyond the surface of hoof wall

L L Building Products SSB960A "Gaf/Master Flow" Slant Back Roof Louver, Mill Finish Winter_Items Length: 78""LL BUILDING PRODUCTS" GAF MASTER FLOW ROOF VENT Mill finish Slant back louver Aluminum material resists rust. Fully enclosed hood to help prevent rodent insect infiltration and leaf pine needle clogging. Embossed finish hides scratches and resists wear. 12 percent larger flashing with pre drilled nail holes makes installation easier, helps prevent leaks. 9 7 8" opening; 18" x 201 2 flashing dimension. 60 sq. in. of net free ventilating area per vent.