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4-in-1 Antifreeze Refractometer with Storage Box
$48.99
This antifreeze refractometer gives a quick freezing-point reading so it doubles as a coolant tester and battery fluid tester before winter hits.
- Type: Handheld optical refractometer
- Tests: Ethylene glycol, propylene glycol, battery fluid and DEF
- Use: Checks coolant freezing point
- Included: Storage box
Typical delivery 7–15 business days.
Free US shipping with tracking · Shipping policy · 30-day returns