4vp-wzaj12, 4 in. x 12 in., adjustable pellet stove pipe, type l vent, gives installer the ability to add from 2-1/2 in. length to a maximum of 10-1/2 in. when slid over another piece of type l pellet pipe, proven coupling joint connects in seconds to assure joint integrity, gasketed joint design, double wall design with 1/4 in. airspace, inner wall 304 stainless steel, outer wall paintable galvanized, rolled over male end eliminates sharp edges, 1 in. clearance to combustibles.

• Model: 244086