Use as wall support for chimney system. Use of straps is optional. Supports up to 50’ of DuraTech Chimney without straps, and 70’ of DuraTech Chimney with straps. Attaches to chimney pipe. Can be installed above or below the Tee. If installed below the Tee, a short section of pipe is required. Adjustable base provides 2” to 6” clearance to wall.