Mastercool

High-Side E-Z Snap R134a 1/4" FL-M x 16mm Quick Coupler This unique patented design easily snaps on and off the A/C systems service ports under any pressure. The E-Z Snap™ automatically adjusts to...

“Reduced Friction” Tube Cutter for 1/4 to 1 1/2" Mastercool’s New EZ Tube Cutters Offer the Latest “Reduced Friction” Technology. Our new reduced friction design incorporates ball bearings into the...

Mini Tube Cutter for 3/8 to 1 1/8" O.D. Tubing MASTERCOOL tube cutters are lightweight yet durable. Carbide steel cutting wheels work with hard and soft copper, aluminum, brass, thin wall steel, and...

“Reduced Friction” Tube Cutter for 1/8 to 1 1/8” Mastercool’s New EZ Tube Cutters Offer the Latest “Reduced Friction” Technology. Our new reduced friction design incorporates ball bearings into the...

90° 1/4" FL-M x 1/4" FL-F Automatic Shut-Off Valve Mastercool manufactures a complete line of shut-off valves for containment of refrigerant. EPA requires shut-off valves within 12 inches of the...

1/4" MFL x 1/4" FFL Anti-Blowback Fitting Straight Adapter R134a service port adapters will adapt existing R-12 service ports to R134a service ports. Adapters will fit most systems. Made from solid...

90° Yellow 1/4" X 1/4” Manual Shut Off Valve Mastercool manufactures a complete line of shut-off valves for containment of refrigerant. EPA requires shut-off valves within 12 inches of the charging...

72" Blue Standard Charging Hose with 1/4” SAE Manual Shut-Off Valve Fitting Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped...

72" Standard Charging Hose Set with 1/4” SAE Manual Shut-Off Valve Fitting Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped...

Vacuum Pump Solenoid Switch, 110V This adapter will screw onto a 1/4” FL inlet port on the vacuum pump. Plug the pump into the adapter and plug the adapter into an outlet. Operate the pump using the...

5 CFM Vacuum Pump, Two Stage Mastercool vacuum pumps are durable and time tested. They stand up to the most grueling conditions and will provide years of reliable service. This model is an excellent...

18V Cordless, 1.5 CFM, 2 Stage Vacuum Pump Only Equipped with our exclusive oil mist free exhaust port. Sure-Grip handle, ergonomically designed for superior comfort and portability. Reinforced base...