Charging Accessories

High side red male manual coupler connects easily to R134A service ports. Spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant.

Mastercool High-Side Manual red quick connect service coupler easily connects to R-134A service ports. It is made of an all metal construction for extra durability and the patented, spring loaded depressor prevents damage of service valves. The coupler...

Mastercool 134a Oil and UV dye injector. Add refrigerant oil or large amounts of UV leak detection dye. Includes a low side coupler. 1/2" ACME-M x 1/2" ACME-F (R134a). Instruction pdf.

14mm-f x 13mm quick coupler. Easily snaps on and off the A/C systems service ports under any pressures. Swivel feature enbales the user the flexibility to easily access all service ports even in the tightest quarters

14mm-F X 16mmm quick coupler. Easily snaps on and off the A/C systems service ports under any pressures. Swivel feature enables the user the flexibility to easily access all service ports even in the tightest quarters