BlueAir 403, HEPA Air Purifier - Quiet and efficient HEPA-like air purifier. For those who want quality but quiet filtration. Good for general particle filtration. Popular for bedrooms of up to ~365 sq. ft. Recommended for people with allergies

10 Year Warranty:  this air purifier is guaranteed to be free from defects in material or workmanship for a period of ten (10) years from the date of purchase provided that you have completed and returned your warranty registration to Blueair, and that the filters are replaced with original Blueair replacement filters at least once every six (6) months (the Limited Warranty). Within the first 30 days of purchase Blueair will replace the defective unit at no charge to you and reimburse any shipping charges.

Your Limited Warranty remains in effect only if your Air Purifier:

1. Is operated in accordance with the instructions provided.
2. Has had its filter changed with original Blueair replacement filters at least once every six (6) months.
3. Is connected to a proper power supply (see voltage label on machine).
4. There is no evidence of tampering, mishandling, neglect, accidental damage, modification, and/or repair done to the Blueair Air Purifier by anyone other than authorized Blueair service personnel.
5. Your warranty registration has been completed and returned to Blueair.