Filter Hut 20x25x5 General Aire (4356) substitute filters are specifically engineered to substitue for the name brand General Aire 20x25x5 air filters. These filters are MERV tested to ASHRAE 52.2 test classifications establishing that our air filters will filter as good or better than the name brand part number (4356) filter. These filters are available in Odor Ban odor isolating carbon-inlayed media. *Name brands are used for air filter replacement identification purposes only.
- 20 x 25 x 5 nominal size.
- 19-7/8 x 24-11/16 x 4-1/4 actual size.
- Replaces General Aire brand 20x25x5 part number: 4356.
- Envaero brand by Accumulair.
- Engineered to replace the original manufacturer filter.
- Filters framed and preassembled for ease of intallation. (Non-expandable, no end caps needed, etc.)
MERV rated to ASHRAE standards.
- Available with Odor Ban odor reducing carbon-infused material.
- 2 filters to a case.