Mastercool Manifold Gauge Set can be used with both R-12 and R-134a systems. This set has all the adapters and hose you'll need.
* Anti-flutter gauges smooth out needle movement
* East grip all metal side mounted knobs
* Piston type free-floating valves reduce o-ring wear
* Set of standard R-134a Couplers
* Gauges can be recalibrated to maintain accuracy
* Inner nylon layer hoses meet EPA, SAE and UL standards
* 3 72" Long Hoses
* R-134a Tank Addapter
