Model 801 single-stage medium-duty regulator is designed to be compact, llightweight and rugged. It is perfect for most industrial cutting and welding applications. Model 801 features a brass body, 2" steel dual scale gauges that are easy-to read, ABS plastic ergonomic adjusting knob for precise operation and one-piece encapsulated seat design with internal filter and PTFE Teflon® seat. It has 5/8" - 18" outlet connections.