Color:Black 6" DSP6TE-1, Double Wall, Smoke Pipe Tee With Cap. Use with a vertical, insulated chimney to provide easy access for inspection and cleaning. 6" clearance to combustibles. Lasts significantly longer than single wall pipe. Made with a high quality, scratch-resistant, black finish. Less chance of moisture or soot build up within the vent. Increases efficiency, less creosote build up. Inner liner is made from corrosion-resistant, 400 series, stainless steel. Certified and labeled to UL safety standards. From the Manufacturer 6" DSP6TE-1, Double Wall, Smoke Pipe Tee With Cap. Use with a vertical, insulated chimney to provide easy access for inspection, and cleaning. 6" clearance to combustibles. Lasts significantly longer than single wall pipe. Made with a high quality, scratch- resistant, black finish. Less chance of moisture or soot build up within the vent. Increases efficiency, less creosote build up. Inner liner is made from corrosion-resistant, 400 series, stainless steel. Certified and labeled to UL safety standards