Home Depot has Select 1" Width HDX Pleated Furnace Air Filters on sale for Buy 2, Get 2 Free + an Extra 5% off when you checkout via Subscribe & Save. Shipping is free.
- 2-Pack 20" x 20" x 1" Allergen Plus Pleated Furnace Air Filter (FPR 7, MERV 11) 4 for $43.64 (8 total)
- 16" x 30" x 1" Premium Pleated Air Filter (FPR 10, MERV 13) 4 for $47.44
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