A pure solution to enhance your home environment, personal comfort and well-being. The Bionaire aer1 airbutler 99% HEPA and dust protection replacement filter helps transform impure, polluted air from air passing through the filter leaving a balance of clean inhalation and gentle Renewal. To keep indoor air as pure and clean as possible, it is recommended to replace air purifier Filters regularly. This highly effective filter with advanced dust-eliminating power helps to purify the air by capturing allergens and pollutants as small as 0.3 microns such as pollen, dust, pet dander and smoke from air passing through the filter. With arm & Hammer baking soda for advanced odour-eliminating power and germ-fighting silver technology. You can experience fresher, healthier, more comfortable surroundings.