**Revised **[Connection] CGA-580 inlet fits standard nitrogen, helium, and inert gas tanks from any supplier. 1/4-inch male flare outlet connects to HVAC charging hoses for purging, pressure testing, and high-pressure lines.[Pressure Gauge] Features two easy-to-read gauges with scratch-resistant plastic film and rubber cover. Input: 0-4000 PSI. Output: adjustable 0-600 PSI (max 800 PSI).[Material] Durable solid brass construction with a safety valve for automatic pressure release, preventing damage.[Design] Compact and leak-proof for accurate readings. T-style handle ensures easy adjustment and stability. Ideal for HVAC purging, pressure tests, brazing, and soldering.Note: Slight color variations may occur due to production batches.Color: Gold, Yellow, BlackMaterial: Plastic, Copper, RubberPackage Includes:1 Regulator1 Hose(Other items not included. Slight color and size variations may exist due to lighting or display settings.)