20x20x5 Honeywell 203721 Air Filter

Product Description
Filter Hut's 20x20x5 Honeywell (203721) replacement filters are specifically engineered to substitue for the name brand Honeywell 20x20x5 air filters. Filter Hut's air filters are MERV graded to ASHRAE 52.2 test standards establishing that our air filters will operate as good or better than the original manufacturer part number (203721) filters. Our air filters are available in Odor Ban odor filtrating carbon technology. *Trade names are used for filter replacement identification purposes only.
  • 20 x 20 x 5 nominal size.
  • 19-9/16 x 20-1/16 x 4-3/8 actual size.
  • Replaces Honeywell brand 20x20x5 part number: 203721.
  • Quality Filters Envaero brand.
  • Specifically designed to substitute for the original manufacturer filter.
  • Filters framed and preassembled for ease of intallation. (No end caps needed, don't need expanded with combs, etc.)
  • MERV classified to ASHRAE grades.
  • Option of Odor Ban odor eliminating carbon media.
  • 2 filters per case.
Quantity of Filters in Case
Efficiency Rating
Quantity of Cases
$ 55.90 per case