Actual Size: 16.25 x 21 x 5. Accumulair brand: 16x21x5 Comfort Plus FR1000 style whole house air filters, exactly designed to be an alternative to the name brand Comfort Plus FR1000 filters. Fully assembled with no forming or combs required. MERV classified to ASHRAE grades ensuring particle filtration to the level of the OEM Comfort Plus FR1000 filter. Photo: Sample air filter picture as displayed is not the actual dimensions and is shown for design only. OEM names and Comfort Plus FR1000 part numbers are included for filter substitution identification purposes only.
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