- 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.
The Mastercool 98660 is a R12/R134a Dual Professional Extruded Aluminum Gauge Set with silicone dampened gauges, a set of 3 R134a nylon barrier hoses, a set of 3 R12 nylon barrier hoses, professional R134a couplers, and recalibrateable gauges. It comes in custom molded carrying case.