Filter Hut's 20x25x5 General Aire (4356) substitute filters are specifically built to replace the OEM General Aire 20x25x5 air filters. These filters are MERV graded to ASHRAE 52.2 test classifications establishing that our air filters will capture particulate as good or better than the original manufacturer part number (4356) filters. These filters also come in Odor Ban odor eliminating carbon-infused media. *Name brands are shown for 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.
- Quality Filters Envaero brand.
- Specifically designed to replace the original manufacturer filter.
- Filters framed and preassembled for ease of intallation. (No end caps needed, don't need expanded with combs, etc.)
MERV rated to ASHRAE standards.
- Available with Odor Ban odor isolating carbon-inlayed media.
- 2 filters to a case.