Today only, October 20th, you can grab the Swiffer 20 in. x 30 in. x 1in. Extreme Dust Collector Air Filter 12-count for just $70.95 at Home Depot (regularly $129.99). That is just $5.91 per filter! Plus, if you plan on doing some more shipping promo code OCTOBERHD will save you $10.00 of orders of $100 or more.
The filters will ship free or you can always select free in-store pickup if available in your area.