Dixon® Quick Disconnect Pneumatic Hose Plug, Tru-Flate Automotive Standard, Series: J Series, 1/2 in Nominal, Quick Disconnect Plug x Hose Barb End Style, 2.18 in Length, 500 psi Pressure, -40 to 250°F, Steel, 3/4 in OD Dixon® J3S4 J Series Tru-Flate Automotive Standard Quick Disconnect Pneumatic Hose Plug, 1/2 in Nominal, Quick Disconnect Plug x Hose Barb, 500 psi Pressure