6"D x 24"L, Painted Black, Double Wall, DVL Black Stove Pipe, Use 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, Improves Stove Performance By Maintaining High Flue Gas Temperatures For Strong & Steady Draft, Stays Hot Longer, Minimizes The Formation Of Creosote, Same Life Expectancy As The Chimney, .016" Stainless Steel Inner Wall, .018" Galvanized Outer.