Check the listing for details. SELKIRK CORP 105825 5-Inch Adjustable Flashing. Color: Galvanized, Condition: New. Listed at 34.56 USD. SELKIRK CORP 105825 5-Inch Adjustable Flashing Product Description 5", 5RV-AF, Adjustable Flashing 0 to 6/12, Round Top. Type B Gas Vent. Used where the vent passes through a roof. The RV line of MetalBest round Type B gas vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. Size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1/2'' larger. Outer material is 28 GA galvanized steel. Inner liner is aluminum. From the Manufacturer 5", 5RV-AF, Adjustable Flashing 0 to 6/12, Round Top. Type B Gas Vent. Used where the vent passes through a roof. The RV line of MetalBest round Type B gas vent pipe and fittings is designed for use on approved gas appliances in residential, and light commercial, and industrial applications. Size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1/2'' larger. Outer material is 28 GA galvanized steel. Inner liner is aluminum. Features 5", 5RV-AF, Adjustable Flashing 0 to 6/12, Round TopType B Gas VentUsed where the vent passes through a roofRV line of MetalBest round Type B gas vent pipe and fittingsOuter material is 28 GA galvanized steel and inner liner is aluminum USA SHIPPING eBay estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.