This 4 Inch x 6 Inch Pellet Chimney Straight Black Length Pipe from the PelletVent Pro series is a Type B gas component and consists of the duralock system for a tight seal. Features fully unitized, twist-lock construction in 3 and 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 5 8. Galvalume or painted black outer finish. 12 length available with stainless steel outer (SS). To calculate installed length, subtract 1 1 2 from each length of pipe.Finish: Black Fuel Type: BioFuel, Oil, Pellet Length: 6 Material: Galvalume, Stainless Steel Pipe Class: Type L Pipe Inside Diameter: 4 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Vent Construction: Double Wall Weight: 1
