RM Manifold Group, Inc, based in Fort Worth, TX, proudly manufacture's the following brands: US Draft Co - delivers pioneering technology for the chimney and venting industry LFSystems - focuses on the needs of the laundry exhaust, supply air, multi-family high rise systems and stairwell pressurization controls. RM Manifold Group, Inc is also the exclusive North American distributor for Kutzner + Weber, specializing in chimney fans and accessories.