FlueGard Thermometer (3-39). Most precise readings for DOUBLE WALL pipe. Durable genuine porcelain enamel with yellow, orange and red zones clearly indicated on black case
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<b>[Product Information]</b><br>
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<li>Durable porcelain enamel finish.</li>
<li>Yellow, orange, and red zones.</li>
<li>4-inch stem accurately measures temperatures up to 1700 degrees.</li>
<li>Displays both Fahrenheit and Celsius scales.</li>
<li>Made in USA.</li>
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