The Mastercool 89661-PRO is a professional grade manifold gauge set, featuring a professional extruded aluminum block and silicone-dampened gauges. This kit includes a 3-in-1 side-mount can tap valve...
Checks low side operating pressure to measure the level of refrigerant in R-134a systems. Indicator needle locks into place for easy viewing. Easy access pressure release button to reset gauge
Field service couplers connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems. The quick-connect design has an integral safety sleeve, which...
Includes low side manual quick coupler to connect to the vehicles A/C system. Use this syringe-type injector to add PAG type lubricant oil to a fully pressurized A/C system. Just fill the barrel...