Vertical Laminar Flow Unit, Inner Dimensions - 1240 X 645 X 660 mm, Outer Dimensions - 1340 X 800 X 1250 mm, Laminar Airflow Velocity - 0.475 m/s (95 fpm), Main filter - ULPA > 99.999% at particle size 0.1-0.3 µm and pre filter - disposable non washable Polyester fibre