Our 21.5x27.5x5 Honeywell (FC100A1045) replacement filters are specifically designed to substitue for the original manufacturer Honeywell 21.5x27.5x5 filters. Filter Hut's air filters are MERV tested to ASHRAE 52.2 test classifications assuring that our filters will filter as good or better than the OEM part number (FC100A1045) filter. These air filters are available in Odor Ban odor filtering carbon-infused material. *Company names are shown for air filter style identification purposes only.
- 21.5 x 27.5 x 5 nominal size.
- 21-1/2 x 27-1/2 x 4-3/8 actual size.
- Replaces Honeywell brand 21.5x27.5x5 part number: FC100A1045.
- Accumulair Envaero brand.
- Engineered to replace the original manufacturer filter.
- Preassembled in frame for ease of installation. (No need for extra combs, end-caps, etc.)
MERV rated to ASHRAE classifications.
- Option of Odor Ban odor capturing carbon-infused properties.
- 2 air filters to a case.