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Thermal Fluids Optical Refractometer

The Thermal Fluids glycol heat transfer fluid refractometer is an easy to use and valuable tool for professional service technicians. It quickly and accurately measures the freeze point of both propylene glycol and ethylene glycol based heat transfer fluids. With reasonable care it will last indefinitely.

Thermal Fluids, Inc.

Propylene Glycol and Ethylene Glycol Heat Transfer Fluids