Providing particle free air to (Class 100 conditions) assure 99.97% removal of airborne particles as 0-3 microns in the work area - Vertical Ultra clean air moves at a velocity of approx . 90; ± 20 feet per minute. Complete with HEPA Filters, Pre filters, U.V. Tube, Motor Blower, Manometer, Gas Cock, Transparent Acrylic Sheet Front and Side Doors with stand. Workable on 220 / 230 volts A.C.