LAMINAR AIR FLOW (BIO-SAFETY CABINET) Ultra Clean Air Work Station, Vertical type, made of Pest & weather resistant board which is clad in laminated sheet Work stage thoroughly lined with Stainless Steel (S.S. - 304 or 316) with illumination by fluorescent tube lights. The unit is complete with H.E.RA. filtered clean exhaust duct. Efficiency up to 99.97%, retaining particles up to the size of 0.03 micron. To work on 220 230 V AC 50 Hz. Qty :