AD-H series: Characteristics: 1. Single fan type 2. High speed rotation (2800rpm~3400rpm) 3. Fan's outlet can be mounted with square or circular flange upon the application demand. 4. Direction of fan’s outlet is adjustable. Application: Mainly apply on small boiler, kitchen hood, baking machine, packing machine, UV dryer, air shower etc. or air suction, discharging, ventilation