DuraVent DuraVent 5" x 8" DirectVent Pro - Galvanized Flat Roof Flashing

5" x 8" DirectVent Pro Inner Diameter Galvanized Flat Roof FlashingThe DirectVent Pro 5" x 8" Inner Diameter Galvanized Flat Roof Flashing is a component that is used in a typical venting installation. Use to weather proof the penetration of vent pipe through the roof. Storm Collar required. Use on flat roofs, chase enclosures, or masonry chimney. Made of galvalume.Features:Used to Weather Proof the Penetration of Vent Pipe Through the RoofFor Flat RoofDimensions: 23-1/2"L x 23-1/2"Wx 12"HStorm Collar Re...