Out of Stock until mid October 2008.  May we suggest the 501-R unit instead?
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If you want a BlueAir Air Purifier at an affordable price, factory refurbished units are a great choice. BlueAir reconditions the units under strict factory specifications and assures BlueAir quality levels by replacing faulty parts with new, genuine BlueAir components. These units are backed by the standard BlueAir 10-year warranty and are in 100% working condition.  All units are less than two years old and are thoroughly inspected by BlueAir.

BlueAir is the system for people with allergies, asthma, other respiratory conditions, or for anyone who wants cleaner, more breathable air. The 402 effectively purifies air in rooms as large as 365 sq. ft. Using patented 2-Stage HEPASilent™ technology, it captures 99.97% of the tiniest 0.1 micron particles on Speed One, including allergy-provoking pollen, dust mites, mold spores, and pet dander.

This same filter technology earned the larger BlueAir units Best of Class ranking in independent testing of Clean Air Delivery Rates. The 402 provides comparable performance for mid-sized rooms.

Value-adding features include quiet operation, low energy use, galvanized steel construction, a 3-stage progressive filter, a 10-year warranty, and easy maintenance: simply open the side, slide out used filters and drop in replacements every six months.