General Tools WDCFM8912 Airflow Meter Deluxe Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Ideal for HVAC， Environment， Exhausts， Blowers</li><li>Single hand airflow measurement</li><li>Range -4 to + 140-Degree Fahrenheit</li><li>Air velocity 1-to-114-Feet</li><li>Includes batteries and molded hard case.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AFr%2BaPw1L.jpg" noproxy>