Dye Charge for R12 Systems
- Aerosol
- Enviro-Safe Dye Charge is fully compatible with mineral, ester and pag oils.
- For use in automotive R12 applications.
- Highly concentrated dye (fluorescent yellow)
- In some cases, you can see the dye with the naked eye.
- The dye works best with the use of a black light and UV glasses.
- #3565 UV Glasses
- #3525 Black light
- This is the same color dye that most auto makers inject into the vehicle when new.
- This 4 oz can is enough dye for a full-size R12 auto or truck.
- Has 134a top on the can.
- DO NOT use in ammonia systems
- DO NOT use in CO2 systems
- Cannot be sent to Alaska or Hawaii or exported to foreign countries except in pallet quantities
- Gas propelled
- Installs the same way as refrigerant
- Cannot be added to a fully charged system
Customers Also Bought:
R12 to 134a Lowside Thread Down Coupler #3065
With 1/4" ends to fit R12 gauges. Thread down couplers are used for hard-to-reach schrader valves.
R12 to 134a High Side Thread Down Coupler #3070
With 1/4" ends to fit R12 gauges. Thread down couplers are used for hard-to-reach schrader valves.
High Side & Low Side Retrofit Set #3000
Contains 1 high side adapter and 1 low side adapter. This kit makes converting a no-brainer! Blue cap is low side -- low side on most vehicles is larger line. Red Cap is high side. For more information on this product, click the product title above.

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