Nordic Pure 20x25x4M14-1 Pleated AC Furnace Air Filter, Box of 1
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<b>[Product Information]</b><br>
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<li>Actual Size: 19-1/2 by 24-1/2 by 3-5/8</li>
<li>Airflow (CFM) of 1968 at a Nominal Face Velocity (fpm) of 492 with a Resistance (in WG) of .39</li>
<li>Hypoallergenic and antimicrobial pleated electrostatic filter material</li>
<li>Recommended for newer units</li>
<li>Made in the USA</li>
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