DuraVent 4 in. Type B Gas Vent Wall Strap for Chimney Pipe

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|Anchors 4 in. b-vent pipe to wall|Stabilizes b-vent run to achieve long runs|Designed with 1 in. clearances incorporated