This deal has ended.
Select Filtrete Air Filters are 50% off at HomeDepot.com. Shipping is free with in-store pickup or on orders over $45. A best bet is this 12-Pack Filtrete 20 in. x 25 in. x 1 in. Ultra Allergen Reduction Purple Pleated FPR 9 Air Filters, which drop from $191.64 to $95.82. The best price we could find elsewhere is $97 for a pack of six. They feature a performance rating of nine and can last up to ninety days. Sales tax is charged in most states.