General description The VEVOR 3-Way AC Diagnostic Manifold Gauge Set is a professional tool designed for refrigerant filling and testing. It is compatible with R134A, R22, R12, and R502 refrigerants, making it ideal for automotive refrigeration, household air conditioning, and refrigerator maintenance. Technical specifications Item Model Number: WZ--A301 Type: 3-Way Manifold Gauge Set Accuracy Class: ±1.6% Measuring Range: 0~500 psi (high pressure gauge), -30~350 psi (low pressure gauge) Applicable Refrigerant: R134A, R22, R12, R502 Material: Brass Service Life: 2 Years Product Size: 11.2 x 10 x 3.5 inches / 28.4 x 25 x 8.9 cm Product Weight: 4.8 lbs / 2.2 kg Compatibility and accessories Compatible with 4 Types of Refrigerants: R134A, R12, R22, R502 Package Content: 1 x 3 Valve Gauge, 2 x Quick Couplers, 1 x Adapter (1/4 SAE to 1/2 ACME), 1 x Can Tap, 3 x 5 ft Hose (600-3000 psi), 1 x Fitting, 1 x Manual Installation Enjoy hassle-free setup and operation as you address your HVAC