Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Honeywell FC100A1037 substitute whole house air filters, specifically constructed to be an alternative to the original brand Honeywell FC100A1037 air filters. Completely assembled so no forming or combs required. MERV classified to ASHRAE standards assuring particle capture equal to the original brand Honeywell FC100A1037 filters. Note: Example air filter pic as shown is not true to size and is displayed for construction purposes only. OEM names and Honeywell FC100A1037 part numbers are listed for filter replacement identification purposes only.
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