FilterStream offers the world"s most efficient air purifier and the world"s most powerful line of cordless hand vacuums, From day one, FilterStream has believed in delivering innovative, superior product solutions to solve customer needs, This mission has resulted in worldwide customer satisfaction, The AirTamer Relaxing Lavender Aroma Cartridge Refill conditions the air with healthy, scientifically proven aromas, Relaxing, great for nighttime use, Developed by world-renowned aroma expert, Dr, Rachel Herz, Fits all A600 to A700 series AirTamer models, SKU: FO011