DuraTech 6 Vent Pipe Adjustable Tee Support Bracket. Use as wall support for chimney system. Use of straps is optional. Supports up to 50′ of DuraTech Chimney with straps. Attaches to chimney pipe. Can be installed above or below tee. If installed below tee, a short section of pipe is required. Adjustable base provides 2″ to 6″ clearance to wall. With a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance. The inner wall is 25 thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required. DuraTech’s sleek 1″ wall design provides for easy installations through 16″ on-center framing. Designed for normal, continuous operation at 1000 degree flue gas temperatures, DuraTech is subjected to rigorous and stringent high temperature requirements of the UL standard, including one hour at 1400 degrees Fahrenheit, plus three ten-minute chimney fire tests at 2100 degrees Fahrenheit. DuraTech is a double-wall, all-fuel chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces that are factory-built. Looking for Simpson Dura-Vent? Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets.