SuperCool Slide Rule by SuperCool Slide Rule
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<b>[Product Information]</b><br>
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<li>#1 Training tool used by Colleges, Universities and Training Centers</li>
<li>SuperHeat & SubCooling charging of both R410a and R22</li>
<li>Duct Calculator that calculates CFM of Metal and Flex Duct</li>
<li>Access to approximately 100 free tutorials by scanning the QR code on the tool</li>
<li>Pressure Drop and Sizing for - Rectangular Metal, Round Metal, AND Round Vinyl Flex</li>
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