Features American AAF Main Filter, Typical Effiency ULPA,99.9995%@0.12μm. Exhaust Filter Typical Effiency ULPA,99.9995%@0.12μm. Reverse centrifugal fan allows double-side air inflow, resulting in less noise and energy savings. Digital microprocessor control with LCD display. Intelligent alarm system. Multiple interlocking functions for maximum safety. Removable stainless steel work surface. Stainless steel inner chamber, seamless. Ergonomic angled design. Fluorescent Lamp Intensity(Lux) ≥1100.