16 x 20 furnace filter

Simply 20x20x4 Air Filter, MERV 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x3.75") DUST, Pet, & Allergy Control

Mann+Hummel 20x20x2 MERV 8 Pleated HVAC AC Furnace Air Filters. Case of 12. (Exact Size: 19.5 x 19.5 x 1.75 Inches)

Mann+Hummel 14x20x2 MERV 8 Pleated HVAC AC Furnace Air Filters. Case of 12. (Exact Size: 13.5 x 19.5 x 1.75 Inches)

Glasfloss 20x22x1 MERV 10 AC & Furnace Air Filters. Case of 12. Actual Size: 19-1/2 x 21-7/8 x 7/8

Mann+Hummel 16x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 4. (Exact Size: 15.5 x 19.5 x 3.75 Inches)

Mann+Hummel 20x24x2 MERV 8 Pleated HVAC AC Furnace Air Filters. Case of 12. (Exact Size: 19.38 x 23.38 x 1.75 Inches)

Mann+Hummel 20x25x2 MERV 8 Pleated HVAC AC Furnace Air Filters. Case of 12. (Exact Size: 19.5 x 24.5 x 1.75 Inches)

Glasfloss 16x20x2 MERV 10 Pleated 2" Inch AC Furnace Air Filters. Box of 3. Actual Size: 15-1/2 x 19-1/2 x 1-3/4

Filterbuy 16x20x1 Air Filter (6-Pack), Pleated MERV 8 Odor Eliminator Replacement HVAC AC Furnace Filters (Actual Size: 15.50 x 19.50 x 0.75)

Filterbuy 16x20x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 15.50 x 19.50 x 0.75)

Filterbuy 16x20x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 15.50 x 19.50 x 0.75)

EconoHome 20x25x4 AC Furnace Pleated Air Filter MERV 11 Replacement 1 Pack Fits Lennox X6673 and Honeywell FC100A1037