Dura-Vent Pellet Vent Fireplace Increaser - 3 Inch To 4 Inch
Dura-Vent Pellet Vent Fireplace Increaser - 3 Inch To 4 Inch allows transition from a 3" pipe to a - 4" pipe. It is provides 1" clearance to combustibles. Dura-Vent increaser is a venting system designed for stoves and inserts that use wood pellets and oil fuel. Dura-Vent increaser is also built to vent corn and other bio fuel products. It has no required gaskets or sealants to achieve leak-resistant connections.