Mastercool 89660-PRO5 Aluminum Manifold Gauge Set R134A

Comes in custom molded carrying case. Solid extruded aluminum body. Free-floating piston type valves reduce o-ring wear. Extra access port for vacuum line. Silicone dampened gauges smooth out needle movement. Gauges can be easily recalibrated in the field to maintain accuracy. Extra large sight glass for visual refrigerant check. Large easy-to-grip knobs. Models available for various types of refrigerants. Also includes 3 in 1 Side Mount Can Tap Valve (85530) This unique design covers 2 7/8" (R134a), 2 1/2" and 2" (OIL) charge cans. Includes 1/2" ACME-M and 1/4"FL-M ports. Internal safety check valve prevents system backflow.