Description
Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand: 20x25x5 Honeywell F50A1009 replacement whole house air filters, specifically engineered to be an alternative to the original manufacturer Honeywell F50A1009 air filters. Completely constructed so no forming or combs required. MERV graded to ASHRAE 52.2 test classifications establishing particulate filtration to the level of the original brand Honeywell F50A1009 filters. Notice: The example filter pic as displayed is not to scale and is there to show configuration purposes only. OEM names and Honeywell F50A1009 part numbers are listed for filter substitution identification purposes only.