It's sold as a replacement for R-12 but you don't need a license to purchase. Diesel Giant sells it on his site. Don't know much more about it. There were two cans in a car I bought under contents the mfg. put "TRADE SECRET" The cans take the old R-12 slide tap

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15 VW Passat TDI
00 E420
98 E300 DT
97 E420 Donor Car - NEED PARTS? PM ME!
97 S500
97 E300D
86 Holden Jackaroo Turbo D
86 300SDL
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