Filter-Monster True HEPA Replacement for Therapure TPP640 Filter
Therapure Envion Air Purifier Models: TPP640, TPP540 and TPP440
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.