Blueair Air purifier Digital Model 250E in-room air purifier is the only air purifier with its room capacity to use HEPASilent (TM) technology.Its HEPASilent filter technology quickly and quietly provides a revolutionary combination of mechanical and electrostatic filtration that captures 99.97-percent of particles at 0.1 micron on level one,including allergens and other irritating particles,gases,and odors.The clean air purifier offers three speed options-HEPASilent for nighttime use,moderate fan speed for daytime use,and maximum fan speed for fast initial cleaning or very polluted air. For best results,run hepa air purifier 24 hours a day seven days a week.The purifier comes with an easy-to-use remote control and a digital display system that provides instant feedback of particle detection,air purifier speed,and timer operation.Air purifier includes a blue "power-on" light,odor and particle indicators,a simple-to-change filter (no tools required),galvanized steel housing, and built-in carry handles.Blueair offers an ideal solution for people living with allergies,asthma,or other respiratory conditions,or for anyone who wants cleaner,more breathable air.The air purifier measures 9-1/2 by 17 by 21 inches and carries a five-year limited warranty.The air filtration system is among the highest energy efficient and quietest operating air purifiers in its class,with a room capacity of 200 sq.ft (10 x 20 ft room).Additional Information Of Air Purifier:Shipping Dimensions: 21 x 13 x 25.Average Filter Life:6 months.Product Dimensions:21 x 17 x 9.5.Speed 1:34 dB(A).Number of Fan Speeds:3.Air Delivery (with new filters installed) per Speed:Speed 1=80 cfm.Net Weight (including filters):25 lbs.Energy Consumption (Max):20-50 Watts.Filter Efficiency:99.97 percent of 0.1 micron particles on speed one.Number of Filter Stages:3 Stage Progressive Filters.The particle filter is made of polypropylene,which mechanically filters out aitborne particles.

Exceptional filtration 99.97 percent at 0.1 micron on speed 1.

Quietest operation in the industry.

Room purifier has no ozone emission.

Air purifier has 10-year Limited Warranty.Low energy consumption.

Award-Winning Swedish Design.Purifies up to a 200 square feet room.