This high-quality refrigeration charging hose set is designed for use with standard 1/4" SAE female fittings on manifold gauge sets. The red, blue, and yellow color-coded hoses provide clear identification for high-pressure, low-pressure, and service lines when working on air conditioning and refrigeration systems. Equipped with standard 1/4" SAE female connectors, the hose is compatible with most manifold gauge sets and service tools used in HVAC and refrigeration maintenance. Simply connect to your existing manifold and service ports for quick setup. Compatible with common refrigerants including R134a, R22, R410a, R12, and R502, this hose is suitable for automotive A/C, household air conditioners, and commercial refrigeration charging, evacuation, and diagnostics. Manufactured from robust, flexible materials to withstand frequent bending and handling, the hose features reinforced layers to resist bursting, cracking, and leakage under normal working pressures. - brass fittings help secure, long-lasting connections. Red, blue, and yellow hoses are clearly color-coded to help prevent connection errors and improve work efficiency. This makes them especially useful for technicians and DIY users handling multiple lines and gauges at the same time., Manufacturer: Onchdbfhuu