Mastercool (66661) Brass Manifold Gauge Set

  

Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last. Anti-flutter gauges smooth out needle movement. Yellow hose includes shut-off valve.

Piston type free-floating valves reduce o-ring wear. Extra access port for vacuum line. Gauges can be recalibrated to maintain accuracy. Inner nylon layer hoses meet EPA, SAE and UL standards 100% U.

Designed, assembled and tested HEAVY DUTY FORGED BRASS BODY gives life-long durability and endurance FREE FLOATING PISTON TYPE VALVES allow for less friction and internal wear and tear extending the life of the internal o-rings 2 1/2 SILICONE DAMPENED GAUGES smooth out needle movement while the color coding of R134a and R12 provides immediate refrigerant recognition EXTRA ACCESS PORT for vacuum line.