For pellet and corn appliances. Kit contains: 3" horizontal cap, 3" 90 degree elbow, 3" wall bracket, (5) 3" one-foot pipe lengths, 3" tee with cleanout, 3" wall thimble, and 3" pipe connector. System rated for flue temperatures up to 570 degrees. Proven coupling joint connects in seconds to assure joint integrity. Gasketed joint design. Inner wall is 304 stainless steel, outer wall is paintable galvanized. Rolled-over male end eliminates sharp edges. 3" clearance to combustibles. Removable tee cap for inspection and cleaning. Internal spacing bead assures uniform insulating air space between pipe walls. Meets UL-641 and UL-103.