• Filtrete 20x20x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 19.88 x 4.31)
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Home Supplies 3m

3M Filtrete AC Furnace Air Filter 20x20x4 2-Pack

3M Filtrete AC Furnace Air Filter 20x20x4 2-Pack

$44.54 USD
$48.98 USD $44.54 USD
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SKU: NADP022PK1E
UPC: 051141349824

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Rating: 4.7/5

Sold Past Month: 1000

Ranked: #8 in Furnace Filters

Last Updated: June 12, 2026

The 3M Filtrete AC Furnace Air Filter (20x20x4, 2-Pack) is designed for effective allergen defense and optimal air filtration. With an MPR 1000 and MERV 11 rating, it efficiently captures particles such as dust, pollen, and pet dander. This electrostatic filter is compatible with Honeywell units and fits standard AC and furnace systems. Ideal for home use, it helps maintain cleaner indoor air quality. Each pack includes two filters with an actual size of 19.88 x 19.88 x 4.31 inches.
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