Work Surface Height : 750mm Illuminating Lamp : LED Type, Illumination ≥900Lx Cleanness ISO : Class 5 (formerly Class 100) Airflow Velocity : 0.2~0.5 m/s, speed adjustable Available Sizes : 2ft, 3ft, 4ft, 5ft, 6ft Size (W×D×H)(mm) : 280x370x250