17x21x1 Exact MERV 12 AC Furnace Filters

17x21x1 Exact MERV 12 AC Furnace Filters

Marsoni

M251S

$75.25

Get it in 3 business days with 1 day shipping. Friday, May 29

17x21x1 Exact MERV 12 AC Furnace FiltersActual Size: 17 x 21 x 3 4 (17 x 21 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure MERV 12

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I like these better than the Blissy mulberry silk pillowcase. They feel smoother and softer and make my hair less frizzy. I've been buying these for years and they hold up great! I just switched to the zipper version instead of the envelope style, and I really like the more modern aesthetic of the hidden zipper. They are nice!

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Reviewed in the United States on May 3, 2026