Filters included. Blueair purifier system is for people living with allergies, asthma, or other respiratory conditions. The Blueair purifier 501 effectively purifies air in rooms as large as 550 square feet. Using two-stage HEPASilent? technology, the Blueair purifier captures 99.97% of the tiniest .1 micron particles, including allergy-provoking pollen, dust mites, mold spores and pet dander particles. The SurroundAir? vent system delivers exceptional air exchange (up to 500 cubic feet per minute) without annoying drafts, performance that earned the 501 Blue Air purifier Best of Class ranking in independent AHAM testing of Clean Air Delivery Rate ahead of the runner-up, Friedrich C90. The Blue Air purifier offers easy maintenance: simply open the Blueair air purifier unit's lid, lift out and drop in filters every 6 months. Blueair air purifier filters come in sets of three - unit uses all three filters. Choose the optional SmokeStop Filter Kit for better protection from smoke and other airborne gases.

• 4 fan speeds
• 6 air changes per hour
• The BlueAir air purifier is very quiet ¨C no louder than a desktop computer on the low setting
• HEPASilent filter technology traps particles using a combination of electrostatic and HEPA type filtration

• Length: 13 in
• Width: 20 in
• Height: 26 in
• Weight 35lbs
• Filter Life: 6 months

• Noise Level: 68 dBA on high
• Warranty: 10 years
• Availability: Usually ships in 24 hours
• Unit includes complete set of filters