This 20x25x5 General Aire (4501) style filters are specifically designed to replace the name brand General Aire 20x25x5 air filters. Our air filters are MERV classified to ASHRAE 52.2 test classifications ensuring that our filters will function as good or better than the OEM part number (4501) air filters. These air filters are available in Odor Ban odor filtrating carbon technology. *OEM names are used for air filter substitution identification purposes only.
- 20 x 25 x 5 nominal size.
- 19-1/2 x 24 x 4-3/4 actual size.
- Replaces General Aire brand 20x25x5 part number: 4501.
- Quality Filters Envaero brand.
- Engineered to replace the original manufacturer filter.
- Preassembled in frame for ease of installation. (Non-expandable, no end caps needed, etc.)
MERV graded to ASHRAE classifications.
- Available with Odor Ban odor filtrating carbon media.
- 2 air filters to a case.