The Simpson DuraVent Multi Fuel 3 in. x 12 in. Adjustable Pipe Length slides over a standard vent pipe to increase its length 3 - 10 in. It is corrosion resistant and locks into place easily with the supplied hardware.

　　- For use with pellet stoves that burn biofuel or wood pellets

　　- Adjustable pipe section adds 3 - 10 in. to the vent length

　　- Resists corrosion caused by exhaust condensation

　　- Easy installation with included nut and bolt

　　- MFG Model # : 33012A

　　- MFG Part # : 33012A