Our 23x21x5 Honeywell (TRN2321T1) substitute filters are specifically designed to substitue for the original manufacturer Honeywell 23x21x5 filters. Our filters are MERV tested to ASHRAE 52.2 test grades establishing that our air filters will capture debris as good or better than the original brand part number (TRN2321T1) air filters. These filters have the option of Odor Ban odor filtering carbon-inlayed material. *Name brands are shown for filter replacement identification purposes only.
- 23 x 21 x 5 nominal size.
- 23-1/16 x 21 x 4-15/16 actual size.
- Replaces Honeywell brand 23x21x5 part number: TRN2321T1.
- Accumulair Envaero brand.
- Specifically designed to replace the name brand filter.
- Filters framed and preassembled for ease of intallation. (Non-expandable, no end caps needed, etc.)
MERV rated to ASHRAE classifications.
- Option of Odor Ban odor filtering carbon-infused technology.
- 2 filters per case.