SELKIRK CORP DSP6TE-1 Double Wall Pipe Tee, 6-Inch Manufactured in china Easy to use Highly durable 6" DSP6TE-1, Double Wall, Smoke Pipe Tee With Cap Use with a vertical, insulated chimney to provide easy access for inspection and cleaning Lasts significantly longer than single wall pipe Less chance of moisture or soot build up within the vent Inner liner is made from corrosion-resistant, 400 series, stainless steel