General Tools REF401 - Glycol Refractometer To Measure Freezing Point

Digital Refractometer for Ethylene Glycol

Agriculture Solutions Antifreeze Refractometer Displaying in

Reed Instruments R9500 Brix Refractometer, 0-32%

General Tools REF401 Refractometer, Glycol Fluid, -60 to 32F

General REF402 Glycol Refractometer to Measure Freezing Point (-50 Degree C to 0 Degree C)

General Tools REF402 Glycol Refractometer To Measure Freezing Point

General Tools Ethylene/Propylene Glycol Freezing Point

Also for Battery Acid Condition Function 1: Measuring freezing point temperture of ethylene glycol or propylene glycol based automobile antifreeze coolant.

aichose 3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene

General Tools Ethylene/Propylene Glycol Freezing Point

Tiaoyeer Antifreeze Refractometer - 3-in-1 Coolant Tester for

GR-100 0-100% Glycerin in Water Refractometer, Antifreeze