Amazon.com: Filter-Monster Replacement Filter Compatible with Blueair 400 Series Particle Filter; for Classic Air Purifier Models 402, 403, 405, 410, 450E, 455EB, 480i : Home & Kitchen
Blueair 403 – Raylient
Blueair 403 HEPASilent Air Purifiers | AllergyBuyersClub
Amazon.com: BLUEAIR Air Purifier for Allergy & Asthma Reduction in Medium/Large Rooms, HEPASilent Technology with Dual Protection Filters, Removes 99.97% Pet Dander Pollen Mold Dust Viruses, Classic 480i, White