General Tools DCFM8906 Digital One Piece Airflow Meter with CFM Display

General tools digital one piece airflow meter with cfm display - dcfm8906 hvac environment, exhausts, blowers. displays cfm, fpm, mph, kph, mps, temp & knots single hand airflow measurement handy recessed service grip single & multi-point average rs-232 output min/max data hold f/c switch includes hard blow mold case and battery.