Features : Completely self-contained, adjustable nozzles to remove surface contaminantsVersatile design allows you position the Air Shower inside or outside the cleanroomDual HEPA filters remove 99.99% of particles > 0.3 microns from the air streamEmergency stop buttons on both doors immediately disengage interlocks and halt air showerLight weight and modular design enables easy shipping and transfer of the unit