DuraVent DuraVent 4" Inner Diameter - Type B Oval Gas Vent - Double Wall - Oval Base Plate

Oval Gas Vent Collection Aluminum Oval Base Plate with 4" Inner DiameterThis Aluminum Oval 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. This oval base plate is used to attach oval vent pipe to a wall furnace.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 firmly locks into p...