6in. Single Wall Stove Pipe Tee and Clean Out Cap Our Single Wall Black Stove Pipe Tee is .030 cold-rolled, 22 gauge steel Superior pipe on the market due to it's thickness; 60% thicker than most brands Tee and Tee Cap provide easy access for inspection and cleaning Installation support before and after the sale; we're here to help you do it yourself Use Single Wall Tee & Tee Cap with vertical pipe and minimum of 18 in. clearance to combustibles