General Tools & Instruments REF401 Hand Held Refractometer for Glycol and Bat...
Bonanza
Measures Ethylene and Propylene Glycol Antifreeze free points and concentration. Also measures battery acid Specific Gravity and will tell you if your battery charge is still good! With Automatic Temperature Compensation - 50-86'F (10-30'C) aut...
41.78 €
