타입 = Cavity Plug 시리즈 = Metri-Pack Delphi Metri-Pack 150 Cavity Plug for Sealed Male Automotive Connectors. Cavity plug for use with Metri-Pack 150 series automotive connectors to seal unused male and female cavities. This Metri-Pack 150 cavity plug is made from dark red silicone and has an inside diameter of 5.2mm.