Glycol Refractometer (Propylene and Ethylene)

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

Car Freezing Point Refractometer for Ethylene Glycol or Propylene

Atago Coolant/battery acid refractometer; ethylene glycol: –60 to

TRZ 4-in-1 Refractometer Ethylene Glycol, Propylene

Refractometer for optical glycol in stock

Electronic Ethylene Glycol Propylene Glycol Concentration Meter

handheld 0-66.6 ethylene glycol 0-62.4 propylene

Battery Fluid Propylene Ethylene Glycol Antifreeze Coolant Urea 30

Portable Antifreeze Battery Ethylene Propylene Glycol

Antifreeze Refractometer, Hand Refractometer, Coolant Tester for

Misco Palm Abbe Digital Refractometer Ethylene & Propylene Glycol

Portable Battery Coolant/Glycol Refractometer with ATC (°C)

Triplett RFT50 Portable Propylene/Ethylene Glycol and Battery Acid