4vp-6, 4" x 6", pellet stove pipe, type l vent, proven coupling joint connects in seconds to assure joint integrity, gasketed joint design, double wall design with 1/4" airspace, inner wall 304 stainless steel, outer wall paintable galvanized, rolled over male end eliminates sharp edges, 1" clearance to combustibles, tested & listed to ul-641 standard & ul-103 standard.
