... R12, R22, R134a, R600a, R152a, R141b, R142b, R143a, R123, R124, R125, R32, R401a, R402a, R404a, R406a, R407c, R408a, R409a, R410a, R415b, R502, R507 ... , MR12, MR134a, MR502, HFC-227ea, HFC-236fa, HFC-245fa etc.As a prefesstional refrigerant ... . Waiting your inquiry. R415b R12 substitute R134a replacement R502 replacement, HFC-227ea, HFC-236fa, ...