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M&G DuraVent 4 Inner Diameter - PelletVent Pro Type L Chimney Pipe - Doubl, Black
Allows outside fresh air for combustion through the wall thimble without having to cut a second hole into the wall. Comes with an insulation ring to reduce air infiltration where the pipe slips through the thimble. The 2 diameter flex hose is 10' in length. Clamps included. Can be used in US and Canada. Patented. 2 Diameter 4 Size Easy in-and-out fit Brand M&G DuraVent, Material Aluminum, Color Black, Dimensions LxWxH 20 x 20 x 10 inches, Weight 5 Pounds, Dimensions 20 x 20 x 10 inches; 5 Pounds, Is

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Price: $189.99