Refillable Expandable SAE Oil Dye Injector CPSTLJ4 CPS Products

Features and Benefits:

• R-134a oil injector
• 1/2 inch Acme quick coupler
• Used to add oil to a fully pressurized A/C system
• Screw on top for easy fill
• Inside groove to indicate 1oz mark

Negative 40 to 450 degrees Fahrenheit (-40 to 230 degrees Celcius) Steel probe with with fitted pocket clip Large LCD display.