Actual size is 19.88 x 24.88 x 4.38. Brand: Accumulair. 20x25x5 Honeywell F50F1081 compatible whole house air filters, specifically designed to be an alternative to the name brand Honeywell F50F1081 air filters. Completely box-formed so no forming or combs required. MERV graded to ASHRAE 52.2 test classifications assuring particle capture equal to the original brand Honeywell F50F1081 filters. Note: The sample filter picture as shown is not to scale and is there to show style only. Brand names and Honeywell F50F1081 identifier used for filter substitution purposes.
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