Compatible with 4 types of refrigerants: The professional multi-directional gauge set is compatible with refrigerants R134A, R12, R22, and R410A. Suitable for automotive HVAC, home air conditioning, and refrigerator maintenance.

Reinforced flexible hoses 4 pcs: The extremely long 5-foot refrigerant hoses are made of PVC with four reinforced layers. They withstand pressures up to 800 psi, with a burst pressure of 4000 psi. The interface is equipped with non-slip sealing gaskets.

Accurate and precise gauges: Combines dry and liquid-filled design to enhance performance. Calibration screws ensure accuracy of ±1.6%, and the Fahrenheit temperature units make reading easy. The sight glass design allows monitoring of the refrigerant fluid.

Sturdy construction for durability: The heavy-duty AC gauge set is made from solid brass, aluminum, PVC, and plastic, ensuring strength and long-term sealing.

Comprehensive AC gauge set: Includes 1 x 4-valve gauge, 2 x quick couplers, 3 x adapters, 4 x 5-foot flexible hoses, 1 x valve core wrench, 1 x screwdriver, 1 x hook, 4 x gaskets, 2 x O-rings, 2 x sealing gaskets, 3 x assemblies, 1 x manual.