... material:POM&EPDM 4,Free freight 1/4" plastic quick connector 1, high quality2, convenient to use 3, material:POM ... to 71° C) Pressure Vacuum to 120 psi,8bar1.quick disconnect couplings are available in a variety of sizes, ... options include acetal, polypropylene, polysulfone, aluminum, chrome-plated brass, and die-cast, nickel-plated zinc.3.one handed ... samples if you need 1/4" plastic quick connector