Versatile, multi-dose cartridges|Injector easily overcomes system pressure|Add fluorescent dye with system off or running
Spectroline EZ-Ject Fluorescent Dye Injector Kit, Universal, Up to 4 gal Oil in System Up to 50 lb of Refrigerant, For Use With: All AC and R Systems, Including High-Pressure R-410A System, 11 in L x 1-1/4 in W x 6 in H