TRZ 4-in-1 Refractometer Ethylene Glycol, Propylene Glycol in Automotive antifreeze Fluids(G11,G12, G13) freezing temperature and concentration

The models have only one unit system: °F. With the indication we may know the freezing point of either ethylene glycol or propylene glycol based

Handheld Refractometer for Car Operating Fluid with ATC, 5 Scales, AdBlue, Engine Coolants, Cleaning Antifreeze Battery : Industrial & Scientific

TRZ 4-in-1 Refractometer Ethylene Glycol, Propylene Glycol in Automotive antifreeze Fluids(G11,G12, G13) freezing temperature and concentration, automotive and industrial battery Fluid, DEF : Industrial & Scientific

TRZ 4-in-1 Def Refractometer Ethylene Glycol, Propylene Glycol in Antifreeze Fluids Freezing Point Temperature and Freezing Point Concentration

VW Coolant Spec Types - G11 G12+ 12++ G13 VW Coolant Antifreeze

Tiaoyeer Antifreeze Refractometer - 3-in-1 Coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol or Propylene Based Automobile Antifreeze Coolant and Battery Acid Condition: : Industrial & Scientific

Ethylene Refractometer and Propylene Glycol Refractometer: 32 F to -60 F

Agriculture Solutions Antifreeze Refractometer Displaying in Fahrenheit for Checking Freezing Point of Automobile Antifreeze Systems and Battery Fluid Condition. Battery Acid, Glycol, Coolant, Antifreeze Tester: : Industrial & Scientific