The Mastercool 87772-G is an Aluminum Manifold Gauge Set w/72″ hoses and SNAP-n-SEAL 90° couplers/gauge size 2 1/2″ w/ Gauge Protectors
Product Features:
- Shock-resistant gauge protectors
- 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.

