Actual size is 20.25 x 25.38 x 5.25. Accumulair brand: 20x25x5 Nordyne FS2025 compatible whole house air filters, exactly designed to replace the original brand Nordyne FS2025 air filters. Fully constructed with no assembly or combs needed. MERV graded to ASHRAE 52.2 test specs assuring filtration as good or better than the name brand Nordyne FS2025 air filter. Photo: Sample filter pic as shown is not the actual dimensions and is included to show configuration purposes. OEM names and Nordyne FS2025 part numbers are listed for air filter substitution identification purposes only.
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