HCFC, CFC, HFC, HFO refrigerants online. Virgin, reclaimed and recycled HVAC/R refrigerants. R-22, r22, R22 alternatives and drop-ins. You must be EPA certified to be able to handle and use refrigerants.
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HARP:The Complete Worldwide Refrigeration Service - Harp International. Harp International Limited offers a range of speciality chemicals for use in the refrigeration, air conditioning, aerosol and foam blowing industries. – http://www.harpintl.com/refrigerants