DuraVent DuraVent 4" x 6-5/8" DirectVent Pro Direct Vent Pipe - Galvanized Flat Roof Flashing

4" x 6-5/8" DirectVent Pro Inner Diameter Galvanized Flat Roof FlashingThe DirectVent Pro 4" x 6-5/8" Inner Diameter Galvanized Flat Roof Flashing is a component that is used in a typical venting installation. The flat roof flashing is used to weather proof the penetration of vent pipe through the roof. A storm collar is required. This flashing is used on flat roofs, chase enclosures, or a masonry chimney.Features:Inner Diameter: 6-3/4"Used to Weather Proof the Penetration of Vent Pipe Through the RoofFo...