For the popular refrigeration oil of SUNOCO like SUNICE PB 100, it is widely known that there are widespread of counterfeit products and hence car owners who are confident in SUNOCO brand are put at risk of getting low-quality products which may harm their compressors.  However, this can be prevented by inspecting the label of the packaging whereby genuine SUNOCO products will bear the new SUNOCO logo with thicker font and accompanied by the TM mark.  The same also applies to the Lot No. whereby the genuine products will bear a thicker and bigger font.  The genuine products will also use strong plastic gallon, the seam will be smooth and tight and when turned upside down you can see a more visibly printed product details.