DuraVent DuraVent 3" to 4" Inner Diameter - Type B Oval Gas Vent - Double Wall - Round-to-Oval Adapter

Oval Gas Vent Collection Aluminum Round-to-Oval Adapter 3" - 4" with 4" Inner DiameterThis Aluminum Round-to-Oval Adapter 3" - 4" 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 this adapter to convert vent pipe from round to an oval vent.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 connectio...