DuraVent® 6DVL-24 DVL Double Wall Stove Pipe, 6"D x 24"L, Painted BlackUse double wall interior stove pipe for connecting wood stoves to a manufactured chimney, air insulated design reduces clearance to combustibles, 6" to walls, 8" from top of horizontal run to ceiling, subtract 3 4" for installed length constructed with a stainless steel inner wall, closest clearance to a wall of any connector pipe. 0. 016" stainless steel inner wall, . 018" galvanized outer. 6"D x 24"L Painted black Double wall DVL black stove pipe