20x25x4 Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 20" x 25" x 4" filter can be different actual sizes depending on the brand of your air cleaner.
Showing 1 -  8 of 8 Products
20x25x5 AIRx DUST Honeywell FC100A1037 Replacement Filter - MERV 8, 2-Pack
$40.95 / Filter
$51.19 Save 20%!
2 Pack Selected
$81.90
Ships Free!
20x25x5 AIRx ALLERGY Honeywell FC100A1037 Replacement Air Filter - MERV 11, 2-Pack
$43.95 / Filter
$54.94 Save 20%!
2 Pack Selected
$87.90
Ships Free!
20x25x5 AIRx HEALTH Honeywell FC100A1037 Replacement Air Filter - MERV 13, 2 pack
$59.95 / Filter
$74.94 Save 20%!
2 Pack Selected
$119.90
Ships Free!
20x25x5 AIRx ODOR Honewell FC100A1037 Replacement Air Filter - Carbon, 2-Pack
$45.95 / Filter
$57.44 Save 20%!
2 Pack Selected
$91.90
Ships Free!
20x25x4 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
$28.49 / Filter
$35.61 Save 20%!
6 Pack Selected
$170.94
Ships Free!
20x25x4 AIRx HEALTH Air Filter - MERV 13, 6-Pack
$37.49 / Filter
$46.86 Save 20%!
6 Pack Selected
$224.94
Ships Free!
20x25x4 AIRx ODOR Air Filter - Carbon, 6-Pack
$33.64 / Filter
$42.05 Save 20%!
6 Pack Selected
$201.83
Ships Free!
Lennox Model X6675 MERV 16 Replacement Filter - 20 x 25 x 5
$164.95 / Filter
$206.19 Save 20%!
1 Pack Selected
$164.95
Ships Free!
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What Our Customers Have to Say

Happy c. 1 day ago
5
Good filters, good price. Arrived in perfect condition.
Ana C. 1 day ago
5
Excellent product!!
Gary L. 1 day ago
5
Great filters and really good service.
Mohamed E. 1 day ago
5
Thank you, great product