Complete Kit: Includes 1 straight pipe, 1 fixed wall bracket, 1 adjustable wall bracket, 1 tee with cap, 1 base, 1 support bracket, 1 stove pipe adapter, 1 wall thimble, and 1 chimney cap—providing one-stop solution for through-the-wall installation Fit 6-Inch Chimney Systems: Compatible with VEVOR 6 in ID straight pipes with twist-lock design for easy install. Note: Straight pipes not included; purchase separately based on height. VEVOR Available in 12/24/36/48in lengths for your convenience Adjustable Wall Thimble: The wall thimble features an adjustable length range of 155–304 mm (6.1–12 inches), allowing flexible adaptation to various wall thicknesses. Easily accommodate different spacings,making installation more versatile Premium Stainless Steel Build: Constructed from premium SUS304 stainless steel for superior corrosion resistance and long-lasting performance. Built to withstand harsh conditions and provide stable, long-term support for your chimney Double-Wall Insulated Pipe: The included straight pipe features a double-wall design with built-in insulation, ideal for use with wood stoves, fireplaces, fireboxes, furnaces, boilers, water heaters, outdoor wood furnaces