Attributes . R12, R22, R123, R134a, R227, R290, R401A,R401B, R402A, R402B, R404A, R406A, R407A, R407C, R408A, R409A, R410A, R411A, R413A,R414B, R416A, R417A, R420A, R421A, R421B, R422A, R422B, R422D, R424A, R427A, R434A, R437A, R438A, R502, R503, R507, R600, R600A, R718 (H2O), R744 (only in the permitted measurement range up to 50 bar), R1234yf . Names