www.super-freeze.com Most air conditioning units use R22 refrigerant. R22 refrigerant is in the process of being phased out by the U.S. government because the EPA has found that it contributes to the depletion of the ozone. Air conditioning units that currently use R22 will need to be repaired in the future and we have the product that will allow you to do just that. SF-22a Refrigerant is a replac
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