PelletVent Pro® 4-Inch Straight Length Pipe 12-Inch
Features fully unitized, twist-lock construction in 4” diameters. Listed at 1” clearance to combustibles in the USA and Canada. It can be used in both vertical and horizontal installations. Stainless steel welded seam inner wall, combined with a galvalume welded seam outer wall. Pipe OD is diameter plus ⅝”. Galvalume outer finish. To calculate installed length, subtract 1½” from each length of pipe.