These 20x25x5 Fast (FS2025, M8-1056, MU2025, 9183970) compatible air filters are specifically engineered to substitue for the original manufacturer Fast 20x25x5 air filters. Our air filters are MERV tested to ASHRAE 52.2 test standards assuring that our air filters will operate as good or better than the OEM part number (FS2025, M8-1056, MU2025, 9183970) filter. These air filters have the option of Odor Ban odor isolating carbon-infused technology. *Brand names are used for filter style identification purposes only.
- 20 x 25 x 5 nominal size.
- 20-1/4 x 25-3/8 x 5-1/4 actual size.
- Replaces Fast brand 20x25x5 part number: FS2025, M8-1056, MU2025, 9183970.
- Envaero brand by Quality Filters.
- Engineered to substitute for the name brand filter.
- Preassembled in frame for ease of installation. (No end caps needed, don't need expanded with combs, etc.)
MERV rated to ASHRAE standards.
- Available in Odor Ban odor filtrating carbon properties.
- 2 air filters to a case.