The 3M Filtrete 14x20x1 Elite Allergen Reduction Furnace Filter is a high-performance air filter rated at 2200 MPR (MERV 13), sold in a convenient 3-pack for extended coverage. Designed for use in home furnaces, air conditioners, and HVAC systems, each filter measures 13.81 x 19.81 x 0.78 inches actual size and is rated for up to 90 days of use.

Featuring exclusive Filtrete 3-in-1 technology, this filter simultaneously captures large particles like lint, pollen, and household dust while also targeting microscopic pollutants including pet dander, smoke, bacteria, and airborne virus particles. It achieves 69% small particle capture efficiency for particles in the 0.3–1 micron range (per ASHRAE 52.2 testing) and can capture up to 78% of airborne virus particles. The filter is certified asthma- and allergy-friendly.

Compatible with the Filtrete Smart app, which allows users to scan the filter's barcode and set a 30-, 60-, or 90-day replacement countdown for easy maintenance tracking.