HOT! Today only, February 9th, Home Depot has Swiffer Extreme Dust Collector Air Filters 12-packs for just $70.95! That is just $5.91 per filter! They come in a variety of sizes sure to fit most furnaces and they will ship free! This is by far the most affordable way to purchase these. Individually they can cost as much as $12.00! So, stock up today!