Actual dimensions are 24.2 x 26.2 x 5. Accumulair brand: 24.5x27x5 Honeywell TRN2427T1 replacement whole house filters, specifically constructed to substitute for the name brand Honeywell TRN2427T1 air filters. Fully built - no forming or combs required. MERV classified to ASHRAE standards establishing particle capture as good or better than the original manufacturer Honeywell TRN2427T1 filters. Notice: Example air filter image as shown is not the actual dimensions and is shown for construction only. Company names and Honeywell TRN2427T1 P/N are shown for air filter replacement purposes only.
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