General description When the application requires a small Clean Room, Positive Pressure environment, the Mini PORTABLE CLEAN ROOM may be an excellent choice. This Product Features: - High Efficiency HEPA Filtration - up to 99.97% efficient on particles down to .3 microns in size. - Quiet Operation - Attractive Appearance - Highly Portable and Lightweight - Patented Fan/Filter Blower provides strong positive pressure ft/min. velocity accross hood face. - Hinged Sloping Lid. - Custom Sizes Available - Reliable, Low Maintenance Operation - Long Filter Life - Simple, Quick "No Tool" Filter Change - Clear anti-static vinyl curtains