The E.L. Foust 160R2 Room Air Purifier was specifically designed for people with multiple chemical sensitivities or MCS. That means no plastic and no glues. The all metal construction does not allow it to absorb odors or off-gas volatile organic compounds like plastic. The all metal construction also means it won't be taking up space for 1,000 years after it has reached the end of it's lifespan.
The 160R2 contains 7 lbs. of activated carbon mix and controls particles with an optional HEPA rated at 0.1 micron efficiency. It has performed well in independent lab tests; and is used & recommended by allergists & environmental doctors nationwide.
Very quiet operation and can be used in homes, bedrooms, classrooms, offices etc...
Decibel rating is 18 @ 3 feet.
Please Note: The alpha stat pre-filter is not necessary for normal household or business use. The alpha stat is only needed for extreme dust particles, dirt, and pet dander. Normal cartridge life is 6-9 months in typical indoor air quality.