CFOS grade (cleaned for O2 service) integrated 3-pc gas stick incorporates a ball valve, regulator, pressure gauge and optional 5-micron sintered filter/condensate trap. Unique 3-pc design allows for pressure isolation and removal of regulator for maintenance. Integrated design with powder coated zinc alloy cast regulator design significantly reduces cost, potential leak points and is ideally suited for installations where space may be limited. Locking lever handle for ball valve is standard.