Filter Hut 22x26x4 Lennox () substitute filters are specifically designed to substitue for the original brand Lennox 22x26x4 filters. Filter Hut air filters are MERV tested to ASHRAE 52.2 test grades ensuring that our filters will operate as good or better than the name brand part number () filter. These air filters can be selected with Odor Ban odor isolating carbon-infused media. *Brand names are used for air filter substitution identification purposes only.
- 22 x 26 x 4 nominal size.
- 21.75 x 26 x 3.75 actual size.
- Replaces Lennox brand 22x26x4 part number: .
- Quality Filters Envaero brand.
- Designed to replace the OEM filter.
- Filters framed and preassembled for ease of intallation. (No need for extra combs, end-caps, etc.)
MERV tested to ASHRAE classifications.
- Available with Odor Ban odor reducing carbon-infused media.
- 2 filters per case.