233K views · 110 reactions | Freon™ NU-22B (R-422B) is an easy to use, no oil change R-22 replacement refrigerant. No matter what size the retrofit job, we've got your back with Tech2Tech support, experienced HVACR technicians, ready to answer your questions. Visit https://chem.rs/3xmpU5D for more information. | Opteon Products | Facebook
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233K views · 110 reactions | Freon™ NU-22B (R-422B) is an easy to use…
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