IQAir PF40 Filter Pads Replacement for Areas with High Levels of Dust

Replacement pads for PF40 coarse particle pre-filtration kit Filters dust, pet dander, sand, PM10, and other coarse particles Allows timely replacement of PF40 pads for maximum coarse dust filtration (check and wash every two to four weeks for loading, replace when washing is no longer effective) Includes five PF40 replacement filters pads