The work table is made of thick board which is sunmica clad at top. side panels are made out of thick transparent plexi glass duly framed. The unit is fitted with pre-filter and HEPA FILTER> Air is drawn through pre-filter and is made to pass through highly effective HEPA (high Efficiency particular Air) filters having efficiency rating as high as 99. 99% with cold DOP and 99.97% with hot DOP, thus retaining all air-borne particles of size 0.3 micron and larger. Using a dynamic machine, the blower and motor assembly is statically and dynamically balanced ISI marked motor of 1/5 H.P. capacity operates with minimum noise level.