Stainless steel interior version of our Airstream horizontal laminar flow clean bench models. The 100% stainless steel interior provides better cleanability of the work zone. Class 100 (US Fed Std 209E) product protection with ULPA filter 99.999% at 0.12 microns and pre-filter. Built-in tempered glass sides, external rotor motor system, variable speed control. All other specifications are the same as the standard Airstream horizontal laminar flow clean bench models.