Description
Actual Size: 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F55A1426 compatible whole house air filters, specifically engineered to replace the original manufacturer Honeywell F55A1426 air filters. Fully constructed so no forming or combs required. MERV classified to ASHRAE 52.2 test specifications ensuring operation equal to the original brand Honeywell F55A1426 air filter. Notice: Example air filter picture shown is not to scale and is there to show design purposes. Name brands and Honeywell F55A1426 part numbers included for filter style purposes.