L L Building Products IR65BL "Gaf/Master Flow" Roof Vent Black Masonry Stains & Paint The dual line bump release

The dual line bump release features enable constant trimming and operation

Heavy duty thick walled plastic

Size: 5' long

Fitting Type: Elbow

Creme formula with fine Italian pumice scrubbing particles for extra cleaning action

L L Building Products IR65BL "Gaf/Master Flow" Roof Vent Black Masonry Stains & Paint The dual line bump release"GAF MASTER FLOW" ROOF VENT 11 3 4" x 10 3 4" opening. 20 1 4" x 18"flashing. 65 sq. in. free area. Slant back. Black color High impect resin Interior louver design meets F. H. A. requirements for insect screening. Black color 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