Nu-Calgon 4050-05 EasySeal-SS Direct Inject Refrigerant Leak Sealant, Treats Fractional to 1.5 Tons

Now made in the U. S. A. , Easy Seal 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 Easy Seal Direct Inject-UV.