These 20x25x5 Lennox (X6673) replacement air filters are specifically engineered to substitue for the name brand Lennox 20x25x5 filters. Filter Hut's filters are MERV tested to ASHRAE 52.2 test ratings ensuring that our filters will function as good or better than the original brand part number (X6673) filter. These filters are available in Odor Ban odor reducing carbon-inlayed material. *OEM names are listed for air filter style identification purposes only.
- 20 x 25 x 5 nominal size.
- 19-7/8 x 24-11/16 x 4-1/4 actual size.
- Replaces Lennox brand 20x25x5 part number: X6673.
- Envaero brand by Quality Filters.
- Engineered to replace the name brand filter.
- Filters framed and preassembled for ease of intallation. (No need for extra combs, end-caps, etc.)
MERV graded to ASHRAE classifications.
- Option of Odor Ban odor eliminating carbon-inlayed material.
- 2 filters per case.