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The 3M Filtrete 14x24x1 MPR 1900 is a pleated HVAC furnace filter rated MERV 13, marketed for allergen, bacteria and virus capture. It uses Filtrete's electrostatically charged media and a wire-backed frame to hold its shape in a return grille. The 2-pack at $45.57 at Walmart as of November 7, 2026 works out to about $22.79 per filter, a typical mid-to-high price for a MERV 13 filter of this size.
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Lowest price we've seen: $45.57 on Nov 8 at Walmart. Tracked across 1 store since Nov 8.
Owners of Filtrete MPR 1900 filters generally report less visible dust and fewer allergy symptoms, and the sturdy frame is often noted. Some say the denser media cut airflow in older systems.
