The connector is an important component of a woodburning system because its correct size, arrangement and installation improve the performance and safety of the heating system. Listed and Tested to ULC S641 and UL 103 Standards. Model DSP has an attractive outer black surface made of durable aluminized steel to withstand temperatures up to 1200 degrees F in continuous operation. Double Wall construction with a 1 4 air space between inner and outer pipes provides a superior insulating value than single wall pipe. Better insulating value keeps flue gas temperatures higher.Less chance of moisture or soot buildup within the vent Reduced 'smoking' of the stove at startup Increased efficiency Less creosote buildup Includes finishing band Easily removable for inspection and cleaning Eliminates the need to cut pipe For Installed Length, subtract 13 8 per jointCollection: DSP Smoke Pipe Diameter: 8 Length: 38 - 68