That's correct! Opteon YF refrigerant (R-1234yf) is a hydrofluoroolefin (HFO) refrigerant that was developed as a more environmentally friendly alternative to HFC-134a, the standard refrigerant used in automotive air conditioning systems....

Solstice® yf (R-1234yf) – The Smart R-134a Replacement for Auto A/C Solstice® yf (R-1234yf) is a next-generation refrigerant designed as a near drop-in alternative to R-134a in automotive air conditioning...