Removes odors & captures large airborne particulates Compatible with Fellowes(R) AeraMax(TM) 190, 200 & DX55 Air Purifiers; Filter change indicator on Fellowes(R) AeraMax(TM) Air Purifier conveniently notifies when it's time to replace carbon filter; Medium carbon filterFELLOWES 9324101 Carbon Filter 4 pk (Medium)