Eaton Hansen 03A Brass 600 Series Oxygen Service, Coupler Plug, 1/4" Body size x 1/4" NPT Male Price For: Each Locking Type: Sleeve Finish: Brass Material: Brass Max. Flow: 21 cfm Body Size: 1/4" Temp. Range: -40 Degrees to 250 Degrees F Item: Quick Coupler Plug Application: Standard and Oxyacetylene Service Max. Pressure: 1500 psi Hose Connection: (M)NPT Pipe Size: 1/4" Country of Origin (subject to change): United States