Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze Refrigeration Oil Acid Test Kit, Phase III, 4320-W8, For use on all Lubricants! Nu-CalgonPart# 4320-W8Phase IIIRefrigeration Oil Acid Test KitFor use on Mineral oils, Alkybenzene Oils, Polyol Ester and Poly Vinyl Ether Lubricants.Store in a cool place.Description:Phase separation makes it easy to see color changes in acid indicatorCompatible with mineral oil, alkylbenzene and polyolester oils $Nu-CalgonPart# 4320-W8Phase IIIRefrigeration Oil Acid Test KitFor use on Mineral oils, Alkybenzene Oils, Polyol Ester and Poly Vinyl Ether Lubricants.Store in a cool place.Description: —Phase separation makes it easy to see color changes in acid indicator —Compatible with mineral oil, alkylbenzene and polyolester oils Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze Refrigeration Oil Acid Test Kit, Phase III, 4320-W8, For use on all Lubricants! Nu-CalgonPart# 4320-W8Phase IIIRefrigeration Oil Acid Test KitFor use on Mineral oils, Alkybenzene Oils, Polyol Ester and Poly Vinyl Ether Lubricants.Store in a cool place.Description:Phase separation makes it easy to see color changes in acid indicatorCompatible with mineral oil, alkylbenzene and polyolester oils Nu-CalgonPart# 4320-W8Phase IIIRefrigeration Oil Acid Test KitFor use on Mineral oils, Alkybenzene Oils, Polyol Ester and Poly Vinyl Ether Lubricants.Store in a cool place.Description:Phase separation makes it easy to see color changes in acid indicatorCompatible with mineral oil, alkylbenzene and polyolester oils