Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Day and Night P102-2020 compatible whole house filters, specifically constructed to replace OEM Day and Night P102-2020 filters. Completely box-formed with no forming or combs needed. MERV graded to ASHRAE 52.2 test ratings ensuring particulate capture to the level of the name brand Day and Night P102-2020 filters. Photo: Sample filter pic as displayed is not true to size and is displayed for design purposes only. Brand names and Day and Night P102-2020 identifier included for filter substitution identification only.
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