Camco 65401 Refractometer
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<b>[Product Information]</b><br>
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<li>Recommended for use with winterization methods where propylene glycol based antifreezes are used</li>
<li>Eliminates guesswork</li>
<li>Economical, highly accurate instrument for testing the point at which antifreeze solutions begin to solidify</li>
<li>No charts, graphs, or conversions necessary</li>
<li>Save money by not adding too much or too little antifreeze</li>
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