The Errecom Refrigerant Gas Leak Stop is the ultimate problem solver related to small refrigerant gas leakages in AC/R Systems. After thousands of tests and more than 4 years of R&D efforts, the Errecom product was developed as an ultimate dose leak stop that can work with all types of Refrigerant Gases. Errecom’s brand new formula repairs all kinds of AC/R Systems. Errecom locates the refrigerant gas leaks and permanently seals them, without reacting to moisture and oxygen. Errecom is a Polymer-Free solution that repairs leaks up to 0.3 mm. Benefits include: Only 6 mL, New advanced formula, Less product in the System, Permanently seals Refrigerant Gas leaks both in Metal and Rubber components AC/R Systems, Polymer-Free, Safe to A/C System components, Nonreactive to humidity and air, Visible to any UV Lamp, Not flammable, Not irritant, Safe for the operator, Compatible with all Refrigerant Gases, including CFC, HFC and HCFC, R32, and R410a, Significantly reduces Compressor noise, Ideal for preventative maintenance, and 6 ML up to 21 KW – 0.20 fl oz up to 6 tons.