Bluelab TRUNCOMV2 Commercial Truncheon Nutrient Meter
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<b>[Product Information]</b><br>
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<li>Plastic</li>
<li>Made in USA</li>
<li>The Bluelab Truncheon Nutrient Meter has proven itself as the world's favorite nutrient meter</li>
<li>Fully waterproof design</li>
<li>No external switches or adjustable buttons</li>
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<img src='http://ecx.images-amazon.com/images/I/31wOGdImRQL.jpg'></br>