- Calibrated flow tube for Argon, Argon/CO2
- Machined brass body & housing cap
- Back pressure compensated
- Fabric reinforced neoprene diaphragm
- Internal self reseating relief valve
- Sintered inlet filter - bronze
- Cover tube contains over pressure protection
- Up to 50 CFH for Argon and up to 38 CFH for Co2 delivery