NU-22B® Replaces R-22, R-407C, R-422D and R-417A. NU-22B is the only R-22 replacement you need.

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R-421A is a drop-in replacement for R22 systems. With this refrigerant there is no need to change the oil. Simply recover the R22 and recharge with R421A.

Experiencing R421a problems? Read this guide.

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ISCEON MO99 refrigerant the quick switch to replace R-22

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R22 Refrigerant, 30lb disposable cylinder.

EPA certification required

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