- FJC Estercool oil with added FJC Fluorescent leak detection dye
- DyEstercool oil can be used in R-134a or R-12 mobile A/C systems and can be used ins a system being retrofitted from R-12 to R-134a. It can be mixed with any other oil used in these systems.
- An 8 ounce bottle contains enough UV leak detection dye for a single mobile A/C system
- Compatible with Mineral, Ester, Paraffin and PAG Oil
- Can be detected using a standard UV Light
- Saves time over existing methods of dye injection
- Made in USA
Only registered users can write reviews