Actual Dimensions: 15.88 x 24.88 x 4.38. Accumulair brand: 16x25x5 Honeywell F50E1158 substitute whole house air filters, specifically built to substitute for the OEM Honeywell F50E1158 filters. Completely box-formed - no assembly or combs needed. MERV rated to ASHRAE specs ensuring particulate capture as good or better than the OEM Honeywell F50E1158 filters. Photo: Sample filter image shown is not true to size and is included to show style only. Trade names and Honeywell F50E1158 part numbers included for filter style purposes.
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