L L Building Products SSB960A "Gaf/Master Flow" Slant Back Roof Louver, Mill Finish Winter_Items Fits most 3/4" to 1-1/4"

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

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

paintable caulk or Ames® Blue Max™ trowel-grade coating and filler

it's flexible

L L Building Products SSB960A "Gaf/Master Flow" Slant Back Roof Louver, Mill Finish Winter_Items Fits most 3/4" to 1-1/4""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.