BestAir SG213-BOX-13R Furnace Filter, 20" x 25" x 4", Aprilaire 213 Replacement, MERV 13, 2 pack
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<b>[Product Information]</b><br>
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<li>Hypoallergenic</li>
<li>Easy to install</li>
<li>MERV 13 removes 99Percent of particles up to 10 microns</li>
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