16x20x1 (15.7 x 19.7) Filtrete 1900 Ultimate Allergen Reduction Filter by 3M (4 Pack)
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<b>[Product Information]</b><br>
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<li>Nominal Size 16x20x1 Actual Size 15.7x19.7x1</li>
<li>93% effective at capturing large airborne allergens, such as pollen, mold spores and dust mite debris.</li>
<li>1900 Microparticle Performance Rating</li>
<li>Captures microscopic particles like smoke, smog, dander, bacteria, and particles that carry viruses and odors</li>
<li>Lasts up to 3 months.</li>
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