· Exhaust HEPA filter, 99.99% efficient on 0.3 micron particles
· Intrinsically-safe, negative pressure design
· Minihelic pressure gauge
· Glacier white and gray epoxy-coated aluminum frame and steel rear plenum and baffle
· Fluorescent lamp
· 254 nm UV lamp
· Blower switch and 3-way light switch: UV, off and fluorescent
· 1/4" thick tempered safety glass front sash and sides
· 9.44" high sash opening
· Particulate containment tested
· Standard: NSF Standard Number 49, ASHRAE 110-1995, ETL listing, UL 3101-1/61010-1 and CAN/CSA C22.2, CE Conformity Marking (230 volt models)
· Purifier class I choose widths: 2 feet, 3 feet and 4 feet