289K views · 80 reactions | Freon™ NU-22B (R-422B) can save you time and money when converting R-22 systems. Questions about retrofitting? For more information, visit https://chem.rs/3xmpU5D | Opteon Products | Facebook
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289K views · 80 reactions | Freon™ NU-22B (R-422B) can save you tim…
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