DuraVent DuraVent 4" Type B Oval Gas Vent - Double Wall - Oval Tee Support Base Plate

Oval Gas Vent Collection Aluminum Oval Tee Support - Base Plate with 4" Inner DiameterThis Aluminum Oval Tee Support - Base Plate with 4" Inner Diameter from the Oval Gas Vent is a Type B gas component that will meet the needs of any Type B installation. Use to support and center Oval Tee. Use with Oval Tee Cap.DuraVent's innovative system for a lock-tight connection for Type B Gas Vent called DuraLock. See the alignment indicators meet; feel the ends grasp together; hear the snap as the connection firml...