Envirosafe Dye Charge for Automotive R1234YF Systems, Multipack Quantity, 12 Cans, R-1234yf

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 Gas propelled Installs the same way as refrigerant Cannot be added to a fully charged system. Universal fit. Each can is 4oz (113 grams) Total multipack weight is 6 pounds.