Query: 20x20x1
Aerostar 20x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4"x 19 3/4" x 3/4")
Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81)
AIRx HEALTH 20x20x1 MERV 13 Pleated Air Filter - Made in the USA - Box of 6
AF 20X20X1 MERV 8 Pleated AC Furnace Air Filter. Pack of 4 filters. 100% produced in the USA.
AIRx ALLERGY 20x20x1 MERV 11 Pleated Air Filter - Made in the USA - Box of 6 , White
Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")
Aerostar 20x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")
Flanders PrecisionAire 84857.012020 20 by 20 by 1 NaturalAire with Baking Soda, 4-Pack
Filtrete 20x20x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra Allergen, 4-Pack (exact dimensions 19.69 x 19.69 x 0.78)
FilterBuy 20x20x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
Filtrete 20x20x1, AC Furnace Air Filter, MPR 1200, Allergen Defense Odor Reduction, 2-Pack (exact dimensions 19.69 x 19.69 x 0.81)
Filtrete 20x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 19.719 x 19.719 x 0.84)
E-Z Flow Heavy Duty Air Filter, MERV 4, 20 x 20 x 1-Inch, 12-Pack
Flanders PrecisionAire 10155.01202 E-Z Flow Air Filter, MERV 4, 20 x 20 x 1-Inch, 12-Pack
Filtrete 20x20x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 4-Pack (exact dimensions 19.69 x 19.69 x 0.78)
Filterbuy 20x20x1 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (4-Pack, Gold)