Actual dimensions are 19.88 x 24.88 x 4.38. Accumulair brand: 20x25x5 Honeywell FLR3420 replacement whole house filters, specifically built to be an alternative to the OEM Honeywell FLR3420 air filters. Completely assembled so no forming or combs needed. MERV classified to ASHRAE 52.2 test grades ensuring function as good or better than the OEM Honeywell FLR3420 filters. Photo: Sample filter image as displayed is not true to size and is displayed for style purposes. Company names and Honeywell FLR3420 P/N are used for air filter replacement identification purposes only. Catalog and specifications are up to date as of 03/29/2020.
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(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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