Legris 3151 53 00 Polymer Female Plug for Push-to-Connect Fitting, Plug, 1/8" Tube OD Female plug for closing circuits Push-to-connect tube connection Handles pressures up to 290 psi (20 bar), operating temperature range of-20 to +80 degrees C (-4 to +176 degrees F), and a vacuum capability of 755 mm Hg