60% off Filtrete Air Filter Cases at Home Depot

Home Depot is taking 60% off select Filtrete Air Filter Cases. Shipping is free on all filter cases included in this promotion. The pictured Case of 12 Filtrete 20 in. x 20 in. x 1 in. Micro Allergen Reduction Red Pleated FPR 7 Air Filters is $48 with free shipping.

It's $72 for a 6-pack on Amazon.