General Tools REF401 - Glycol Refractometer To Measure Freezing Point

General Tools Ethylene/Propylene Glycol Freezing Point

12 months limited warranty, Sample size as small as 2 metric drops (100 μl), Sealed stainless steel well with high-grade optical prism made of flint

Digital Refractometer for Ethylene Glycol Analysis

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

General Tools Ethylene/Propylene Glycol Freezing Point

Milwaukee Digital Ethylene Glycol Refractometer

TRZ 4-in-1 Antifreeze Refractometer Ethylene Glycol, Propylene

Antifreeze Refractometer for Glycol, Antifreeze

How to Use a Refractometer to Test Glycol Concentration – Go

REF401 Hand-Held Refractometer - Glycol & Brake Fluid