4-in-1 Antifreeze Refractometer Coolant Tester Tool for Automotive Use
50'C-0'C Glycol. 50'C-0'C Glycol; 1.100-1.1400sg; -40'C-0'C fluid; 30%-35% adblue. 5'C Glycol; 0.01sg; 5'C Fluid; 0.5% Adblue. you can also use it for testing windshield washer fluid based on ethanol or isopropyl alcohol.