M1 Series Flowmeter Regulator, Oxygen, 1/2 to 15 LPM, 3000 psi Inlet, CGA 540 Handtight Nut and Nipple, DISS 1240 Outlet

Features : Chrome-plated brass body with all brass high-pressure chamber | Internal reseating relief valve protects against over-pressurization | Sintered filter for additional safety and to extend regulator life | Polycarbonate inner and outer tubes provide greater accuracy and durability | 15 LPM Oxygen models provide 75 LPM flood minimum