DuraVent 6 in. Dia x 8 in. Type B Gas Vent Increaser

Type B Gas Vent designed to the demands of the common category I appliance installation. Engineered to heat up rapidly and remain hot during the appliance operation to allow for minimal condensation. An innovative system for a lock tight connection called DuraLock.|Use with natural gas and liquified propane (LP) category I appliances with a draft hood|Designed to meet the rugged demand of the jobsite, with its inner wall recessed to eliminate damage in handling|1 in. clearance to combustibles in single and multi-family dwellings|Innovative system for a lock tight connection called DuraLock