16x25x4 MERV 8 AC Furnace 4" Inch Air Filter. 6 PACK. (Actual Depth: 3-3/4") - Walmart.com
Honeywell Home 20 x 25 x 4 Pleated Furnace Air Filter FPR 8, MERV 8 (2-Pack) CF408F2025/E - The Home Depot
Bestair 3pk 20" X 25" X 4" Honeywell Replacement Air Furnace Filter Merv 13 : Target
3M HOME05-4 Filtrete Odor Reduction Furnace Filter, 14x20x1-In., Must Purchase in Quantities of 4 - Walmart.com
Filti 6500 Pleated High Capacity Home Hvac Furnace 14 X 24 X 1 Merv 11 Air Filter With Reduced Carbon Footprint And Nanofiber Technology (4 Pack) : Target