1.Color Distinction: The pressure end of the gauge is distinguished by color, which is convenient for data reading. 2.Easy Observation and Cleaning: Enlarge the window, detachable, integrate the mirror with the fluoride nozzle, convenient for observation and cleaning. 3.Suitable Refrigerants: The pressure gauge is small and flexible, easy to carry, suitable for R22, R134a, R1234yf. 4.Metal Knob Ball Valve: The pressure gauge adopts metal knob and ball valve structure, has good stability. 5.Wide Usage: Suitable for automobile maintenance, air conditioning decoration, central air conditioning maintenance, cold storage maintenance. Item Type:Manifold Gauge Interface:G1/4 Applicable Refrigerants:R22, R134a, R1234yf Valve Structure:Ball Valve Structure, 90 on off control Gasket Type:PTPE Sealing Gasket Colour:As Shown Material:plastic+aluminum Package Contents: 1 * Manifold Gauge(without tube) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.