Glycol Refractometer (Propylene and Ethylene)

Car Battery Fluid & Glycol antifreeze refractometer

Eclipse handheld refractometer - Glycol – Refractometer Shop

REF404/414 Car Freezing Point Refractometer For Ethylene Glycol Or

RETK-79 Automotive Refractometer, Ethylene/Propylene Glycol

50 Degrees Celsius ~ 0 Degrees Celsius Ethylene Glycol -50 Degrees

Electronic Ethylene Glycol Propylene Glycol Concentration Meter

Glycol Refractometer (Propylene and Ethylene)

Handheld Glycol Refractometer Car Antifreeze 1-1.4 Battery Acid

Extech RF41 Portable Battery Coolant/Glycol Refractometer with ATC

Misco Palm Abbe Digital Refractometer Ethylene & Propylene Glycol