Up for sale this week. New TSI Supercool total leak stop kit with UV dye. Used on R-1234yf or HFO-1234yf auto refrigerant systems. Kit includes: 1.oz can of stop leak with UV dye, one dispensing hose. This kit treats one vehicle only. Part # 39241B-YF. You will receive one new kit with free shipping within the cont. USA. As always, thank you for viewing our listings. make sure to check out our store for more great deals. 

Engineered To Stop Small Leaks in Evaporators, Condensers, Hoses, Gaskets, and Seals
Features a Formula that Does Not Contain Polymers so it Will Not Harm or Clog AC System Components, Reclamation Or Recovery Machines
Offers a Simple 1-Can Treats 1-Vehicle Option
Features Patented Technology HFC-FREE Aerosol US Patent No. 8,047,009. Foreign Patents Pending
Engineered to Supercool' s Highest Standards