General description This Mophorn 3-Way AC Diagnostic Manifold Gauge Set is an expert-level solution for refrigerant filling and testing. Designed for use with R134A, R22, R12, and R502 refrigerants, this comprehensive set includes precise, shock-resistant gauges and all necessary accessories, making it ideal for automotive air conditioning, household AC systems, and refrigerator maintenance. Technical specifications Product Size: 28.4 x 25 x 8.9 cm (11.2 x 10 x 3.5 inches) Product Weight: 2.2 kg (4.8 lbs) Accuracy Class: ±1.6% Measuring Range: 0-500 psi (high pressure gauge), -30 to 350 psi (low pressure gauge) Material: Brass Service Life: 2 Years Type: 3-Way Manifold Gauge Set Item Model Number: WZ-A301 Compatibility and accessories Compatible with R134A, R22, R12, and R502 refrigerants Includes 3 x 5 FT hoses (600–3000 psi) 1 x 3 Valve Gauge 1 x Adapter (1/4 SAE to 1/2 ACME) 2 x Quick Couplers 1 x Fitting 1 x Can Tap 1 x Manual Installation This AC manifold gauge set requires no