Description
Actual dimensions are 20.1 x 23.2 x 5. Accumulair brand 21x23.5x5 Honeywell TRN2321T1 compatible whole house filters, exactly designed to substitute for the original manufacturer Honeywell TRN2321T1 filters. Fully box-formed with no forming or combs required. MERV rated to ASHRAE specifications ensuring particulate filtration to the level of the name brand Honeywell TRN2321T1 air filters. Note: The example filter pic shown is not to scale and is there to show design purposes. Name brands and Honeywell TRN2321T1 P/N used for air filter replacement identification purposes.