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Def/Coolant Refractometer
- 3-in-1 tool combines coolant, battery, and DEF scales all in one
- Focusing eyepiece for clear readings and comfort of use
- No power needed, uses ambient light to verify fluid condition
- Automatic temperature compensation
- Reads both Ethylene and Propylene Glycol based coolants
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.
- Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
