This 20x21x5 Electro-Air (F825-0337/F8110321) replacement air filters are specifically designed to substitue for the name brand Electro-Air 20x21x5 air filters. Filter Hut air filters are MERV classified to ASHRAE 52.2 test standards establishing that our air filters will capture debris as good or better than the name brand part number (F825-0337/F8110321) air filters. Our air filters can be selected with Odor Ban odor capturing carbon material. *Brand names are used for air 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.
- Designed to replace the original manufacturer filter.
- Filters framed and preassembled for ease of intallation. (Non-expandable, no end caps needed, etc.)
MERV classified to ASHRAE ratings.
- Option of Odor Ban odor filtering carbon-inlayed properties.
- 2 air filters to a case.