Coolant Exchanger Accessory, Refractometer (RTI model: 311220)
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| Refractometer This refractometer is designed with the professional in mind. It features a focusing eye piece and an extra large display. This rugged all metal instrument is calibratable to assure accuracy for years to come. It will deliver an accurate freeze point reading in just seconds. Tests most types of coolant and battery acid properties. |
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