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ERRECOM Extreme Ultra is a polymer-free, OEM-approved A/C leak stop solution designed for HVAC/R systems up to 6 tons (21 kW). It quickly seals small refrigerant leaks without damaging system components, works with all refrigerants and lubricants, and features a patented reusable cartridge system. Made entirely in Italy, it’s trusted by professionals globally for both repair and preventative maintenance.






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