Replacement part Breeva AF1 Compatible with TCL BREEVA A1 & A1W Air Purifiers. H13 True HEPA capture up to 99.97% of airborne particles as small as 0.3 microns. This includes dust, pollen, pet dander, smoke, and other minute particles . Activated Carbon reduce Chemicals VOCs, tobacco smoke,PM2.5,common household bad smell. Fine Mesh Layer Prevents large particles such as dander,pet hair. Change the filter: please remove the new filter from the plastic bag before placing it into the machine.