(Style C) Guardian Ultra HEPA Filter Bags This washable prefilter prolongs the

This washable prefilter prolongs the life of the HEPA filter by removing large particulates before they can reach the HEPA filter

Replacement filter assembly for Aerus Pure & Clean Air purifier

97% of allergens and other airborne particles as small as 0

Aerus Home Solutions Genuine Filter Bags feature an innovative filtration technology that is four times more effective than the previous 4-ply design

(Style C) Guardian Ultra HEPA Filter Bags This washable prefilter prolongs theThe Aerus Lux Guardian Ultra True HEPA Filter captures 99. 97% of allergens and other airborne particles as small as 0. 3 micron. To maintain peak performance the HEPA filter should be changed after using six filter bags or every six months.