General Tools REF401 - Glycol Refractometer To Measure Freezing Point

3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing

REF401 Hand-Held Refractometer - Glycol & Brake Fluid

Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol.(in Celsius) Function 2: Measuring specific

Antifreeze Refractometer for Glycol, Antifreeze, Coolant and Battery Acid. Antifreeze Tester for Measuring Freezing Point of Automobile Antifreeze and

General Tools REF401 - Glycol Refractometer To Measure Freezing

General Tools Ethylene/Propylene Glycol Freezing Point

General Tools Ethylene/Propylene Glycol Freezing Point

General Tools Ethylene/Propylene Glycol Freezing Point

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

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

Antifreeze Refractometer for Glycol, Antifreeze