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Oour dial features R-12, R-22 and R-502 or R-304 scale. Suitable for
use on all freon service application, for example: refrigeration,refrigerant
recovery and recycling,etc. Filled with damping liquid inside,the stainless
stee freon prare suitabe for locations where the working environment shock largely.
http://www.allgakind-instrument.com
