Port to accept R134a quick disconnect and quick coupling charging port adapter. 12Pcs fluted cake pan Molds Tube for Baking Chiffon Cake Silicone Baking. Can be matched used with by connecting with screw thread.These low/ high side retrofits/adapters/fittings are designed to replace your old 3/16" /4" A/C charging port and make it accept the R134a quick disconnect hose.
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