<p>If you are unsure of your flow and temperature requirements, EXAIR recommends the purchase of an EXAIR Cooling Kit. It contains a <a href="https://www.exair.com/products/vortex-tubes-and-spot-cooling-products.html" target="_blank">
<b>vortex tube</b></a>, cold air muffler, air line filter and all generators required to experiment with the full range of airflows and temperatures. Model 3930 for up to 2800 Btu/hr. (706 Kcal/hr.). Applications include cooling hot melts, cutting tools, welding horns, electronic controls, soldered parts and gas samples. <ul>  <li>Temperatures adjustable from -50 to +260 Fahrenheit <p><p><img src="/media/wysiwyg/store_images/Caution3.png" alt="Caution"> <strong>WARNING!</strong> Cancer and Reproductive Harm - <a href="https://www.P65Warnings.ca.gov/product" target="_blank">www.P65Warnings.ca.gov/product</a>.</p>
If you are unsure of your flow and temperature requirements, EXAIR recommends the purchase of an EXAIR Cooling Kit. It contains a vortex tube, cold air muffler, air line filter and all generators required to experiment with the full range of airflows and temperatures. Model 3930 for up to 2800 Btu/hr. (706 Kcal/hr.). 
  
Temperatures adjustable from -50 to +260 Fahrenheit