Introducing the Enviro-Safe R1234YF Dye Charge for 1234yf, available in a convenient case of 12, 4 oz. sized cans. This top-quality product is perfect for those looking to enhance the appearance of their vehicle's air conditioning and heating system. Made by Enviro-Safe Refrigerants, this dye charge is designed to make a lasting impression with its vibrant yellow color and excellent performance. It is compatible with R1234 and 1234yf interchange part numbers, and comes with a manufacturer warranty for added peace of mind. This product is a must-have for anyone who wants to add a touch of style to their car or truck.
  • Aerosol
  • Enviro-Safe Dye Charge is fully compatible with mineral, ester and pag oils.
  • For use in 1234YF automotive 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 1234YF auto or truck.
  • Has 134a top on the can which means it is a right handed top and you need to make sure you have a hose that will work with it!
  • 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

Directions for Use:

Check system pressure and make sure system is charged properly before installing product. Make sure system is off before connecting to the system. WARNING! CONTENTS UNDER PRESSURE ALL LABELED HAZARDOUS PRECAUTIONS MUST BE OBSERVED. Read and understand all warnings and directions before use. As per use with any flammable substance, take adequate precautions during use. 

1. Shake can well. 
2. Start with the AC system OFF. 
3. Install can tap valve and charging hose. 
4. Install charging hose on low pressure side ONLY. 
5. Invert can. 
6. Install all product from can. 
7. Fill system to manufacturer’s specification pressure. 
8. Run compressor to circulate. 
9. Discard empty can according to all rules and regulations for disposal in your area.