Filter-Monster True HEPA Replacement for Blueair 400 Series Particle Filter
Blueair Air Purifier Models in the 400 Series: 402, 403, 405 410, 450E and 455EB
We trust our products so much that when you use a Filter-Monster branded filter in your air purifier, we offer a 1-year extended warranty on your air purifier. No forms to fill out, no registration process. All you have to do is use our filters. That's right - we've got you covered even after the manufacturer's warranty expires!
Some limitations apply. Read full warranty here.