Lennox Compatible Air Filter Replacements
Filter King replacement air filters offer the same high quality materials and performance as the name brand but at a fraction of the cost.
Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways.
Select Your Air Filter Size your brand has Available
- 16x20x5 (Actual Size)
- 15.5x19.88x4.25
- 16x25x3
- 16x25x5
- 16x26x3
- 16x26x5 (Actual Size)
- 16.13x25.75x4.88
- 16x28x6
- 17x26x4
- 20x20x5 (Actual Size)
- 19.68x19.93x4.37
- 20x21x5
- 20x25x5 (Actual Size)
- 19.75x24.25x4.75
- 19.875x24.75x4.25
- 20x25x6
- 20x26x3
- 20x26x5 (Actual Size)
- 20x25.5x4.38