Through 9/3 at Macys.com, the Homedics AF-100 HEPA Air Purifier drops from $149.99 to $119.99 to $107.99 with the 10% off promo code SUPER. Shipping is free. This HEPA air purifier removes allergens and pollutants like smoke, dust, and pollen. It features three speeds. 94% of Macy's reviewers recommend this air purifier. Sales tax is charged in most states.