YEAR LIMITED WARRANTY TURNKEY ACCURACY. The Ruskin® AIRFLOW-IQ combines the cutting-edge accuracy of our TDP05K air measurement system with our Class 1A-rated CD50 damper and high-performance VAFB24-BAC air measurement actuator into a single, factory-assembled air measuring station. Pre-calibrated for airflow control up to 5,000 FPM, the AIRFLOW-IQ makes airflow measurement painless and precise. Visit ruskin.com for more information.http://www.ruskin.com