... effective and safe CFC - 12 substitute, widely used in using R - 12 (R12 and Freon 12, F - 12, CFC - 12, Freon 12, two chlorine two fluorine ... alloy protection gas, etc. Although McQuay is refrigerant substitution freon refrigeration equipment on new R12 the most popular choice, ... (i.e. don't usually can change hematic type replacement). Refrigerant packagingOne-time tin packing: 300 grams/teams, with ...