refrigerant charging hose CT-336-RYB 1.for refrigerant R12,22,502 500PSI 2. ... -336-RYB, 3pcs red, yellow, blue charging hoses setstandard charging hose for refrigerant R12,R22 &R5021/4" SAE fittingWorking pressure 500PSI ... PSIDifferent length of charging hose is up to your option: 36", 60", 72"(90cm, 150cm, 180cm) Refrigerant R22 Charging hose CT-336-RYB