Maniold set with sight glass and three color charging hose. Item No.Hose length (mm)DiscriptionCT-536G-R22CT-636G-R2236''(90cm)3pcs red,yellow&blue charging hoses. Working pressure 500PSI Burt 2500PSI. A sight glass brass testing manifold body. Designed to meet 1/4'' SAE requirement for refrigerant permutation (CT-636G without sight glass)CT-560G-R22CT-660G-R2260''(150cm)CT-572G-R22CT-672G-R2272''(180cm)CT-536G-R134CT-636G-R13436''(90cm)3pcs red,yellow&blue charging hoses. Working pressure 600PSI Burt 3000PSI. A sight glass brass testing manifold body. Designed to meet 1/4'' SAE requirement for refrigerant permutation (CT-636G without sight glass)CT-560G-R134CT-660G-R13460''(150cm)CT-572G-R134CT-672G-R13472''(180cm)CT-536G-R410CT-636G-R41036''(90cm)3pcs red,yellow&blue charging hoses. Working pressure 800PSI Burt 4000PSI. A sight glass brass testing manifold body. Designed to meet 1/4'' SAE requirement for refrigerant permutation (CT-636G without sight glass)CT-560G-R410CT-660G-R41060''(150cm)CT-572G-R410CT-672G-R41072''(180cm) We are professional refrigeration parts supplier in China, including charging hose, valves, refrigeration tools, and manifold gauge, testing gauge valve, manifold gauge set.