RB refrigeration oil,two packing:250g and 350g Used in compressor.30pcs/one carton. RB refrigeration oil RB refrigeration oil is polyol ester lubricant for use with HFC refrigerants such as R134a,R404a,R507c,R407c,R410a,CFCSand HCFC refrigerants such as R22 and Blends.Packing pictures. RB compresssor oil 250g/350g