Product details:

SUPERIOR QUALITY - HEPA filters capture dust and allergens as tiny as .3 microns to remove things like household dust, pet dander, mold spores, smoke and pollens. Ideal for anyone who suffers from allergies or asthma.ELIMINATE NASTY ODORS - Activated charcoal filters help greatly reduce the amount of dust and particles getting into your HEPA filter. No more unpleasant smells in the house to improve the indoor air quality. The pre-filters extend the life of the main HEPA filter.INCREDIBLE VALUE - You'll get 2 HEPA Filters along with 6 extra Activated Carbon Pre-Filters. This complete set eliminates the need to cut, clean or vacuum pre-filters and extends the life of the main HEPA filters.PERFECT FIT FOR BLUEAIR 200/300 SERIES AIR PURIFIERS - No more measuring and cutting filters which are time-consuming, messy and potentially inaccurate. Now you can replace your old filter in a matter of seconds! These are specially cut and perfectly designed to fit Blueair 201, 203, 205, 215B, 250E, 270E, and 303 Air Purifier. Just a prompt, courteous refund.