612 12" Roof Cap For Flat Roof Aluminum in. Roof Cap. Fits Duct Size 12 In. Cap Height 14 1/2 In. Cap Width 20 3/4 In. Construction Material Aluminum. For Use With Vent Terminations. Includes Built-in Bird Screen and Built-in Flashing and Long Riser If curb currently exists on the roof. use th... - 612 12" Roof Cap For Flat Roof Aluminum in.
