These 20x21x5 Electro-Air (F825-0337/F8110321) substitute filters are specifically engineered to substitue for the original manufacturer Electro-Air 20x21x5 filters. Our filters are MERV tested to ASHRAE 52.2 test grades ensuring that our air filters will perform as good or better than the original manufacturer part number (F825-0337/F8110321) air filter. These air filters are available in Odor Ban odor isolating carbon technology. *Trade names are used for filter style identification purposes only.
- 20 x 21 x 5 nominal size.
- 20-3/4 x 20-5/8 x 5 actual size.
- Replaces Electro-Air brand 20x21x5 part number: F825-0337/F8110321.
- Envaero brand by Quality Filters.
- Engineered to substitute for the OEM filter.
- Preassembled in frame for ease of installation. (Non-expandable, no end caps needed, etc.)
MERV rated to ASHRAE standards.
- Available in Odor Ban odor filtrating carbon-inlayed media.
- 2 filters to a case.