Made out of tubular M.S. Pipes/tubular aluminum pipe duly painted for longer life. Each rack of size 48x21 (Depth) is covered with thick unbreakable flexi glass/helyem Sheet. Distance between each rack is 15.Each rack is fitted with 4 fluorescent tubes, 4 bulbs and one U.V germicid allight. Copper chokes are fitted on a separate wooden plank fitted with castor wheels at its base, so that the chokes can be placed out side the tissue culture room, if desired, so as to avoid heat dissipation inside the airconditioned room, which is a must. Exhaust fan is fitted to the box to throw out the heat generated from the chokes. The panel box fitted with on/off switches and 0-24 hrs. Timer) To work on 220/230 volts 50 cycles A.C. only.