20x25x1 Lifetime Washable Electrostatic AC / Furnace Filter | Air Filters, Inc.
BNX TruFilter 20x25x4 (19.5'' x 24.5'' x 3.63'' Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health, Allergies, Mold, Bacteria, Smoke, MPR 1900 FPR 10 - Amazon.com
Japan Air Filter 12x12x1 MERV 13 – (2-Pack) – HVAC Furnace Air Filter Replacement – Clean Living Basic Dust - Air Conditioner, Air Cleaner, Furnace. (exact dimensions 11.85 x 11.85 x 0.81) – Filtration US Corporation
Honeywell 20x25x1 Furnace Air Filter MERV 11 - 4 Pack