Horizontal laminar flow made of full stainless steel top and body. Front panel made of toughened glass in two pieces one piece fix and the other sliding upwards. Build with U. V. Germicide light and white light and adequate illumination. Fitted with Hepa filter and pier filter. Hera filter efficiency rating 99. 9% downto 0. 3 microns. motor blower assembly. Cock for gas air or vacuum line. Pressure differential manometer. Working area 48″ wx24″ dx24″ h.