Coolant Antifreeze Tester — 5-in-1 Refractometer

Test coolant antifreeze protection level in seconds with this professional 5-in-1 refractometer. Measures ethylene glycol & propylene glycol antifreeze, battery acid, AdBlue, and windshield washer fluid — no test strips needed.

• 5-in-1 — antifreeze, battery & washer fluid
• Works with ethylene & propylene glycol
• ATC — automatic temperature compensation
• Scale reads to -50°F protection level
• Includes dropper & carrying case