Nu-Calgon - 4050-11 - EasySeal Ultimate LS/UV Dye Direct Inject, Leak Sealant + Dye Treats 2 - 7.5 Tons

Now made in the U.S.A., EasySeal Direct Inject is the strongest sealant on the market, with over a million leaks sealed. With this new injection system, pumping down the unit is a thing of the past. And now the industry’s leading refrigeration sealant has been combined with UV leak detection dye to give you EasySeal Direct Inject-UV. This product is designed to seal leaks and also show where larger leaks are with the use of a UV light.