The 3M Filtrete Ultra Allergen Reduction 16x24x1 filter carries a Filtrete MPR (Microparticle Performance Rating) of 1500, which is equivalent to a MERV 12 rating. It is engineered with 3M's exclusive electrostatically charged filter media to capture microscopic particles such as bacteria, pet dander, smoke, smog, mold spores, dust mite debris, and large airborne allergens from pollen and household dust.

This listing includes a 4-pack of 3M Filtrete Ultra 1500 MPR filters in the 16x24x1 size. 3M recommends replacing each Filtrete Ultra filter every 3 months (90 days) for optimal performance. With 4 filters per pack, you get a full year of filtration coverage. Homes with pets, smokers, or higher dust levels may need to replace the filter more frequently.

The nominal size of this filter is 16 x 24 x 1 inches, while the actual dimensions are approximately 15.7 x 23.7 x 0.78 inches. Always verify the size printed on the side of your existing filter before ordering to ensure a proper fit in your HVAC system, furnace, or air handler.

The 3M Filtrete Ultra 1500 MPR filter is specifically designed to attract and capture microscopic particles like bacteria and virus-carrying particles from coughing and sneezing, along with large particles such as mold spores, pollen, pet dander, dust mite debris, smoke, and smog. Its 3-in-1 technology pulls in air from every direction while letting cleaner air flow through, making it a top choice for allergy sufferers.

Yes, the Filtrete Ultra 1500 MPR 16x24x1 filter is designed to work with most central HVAC systems, furnaces, and air conditioners that accept a 1-inch thick filter in the 16x24 size. It features a reinforced beverage board frame that resists bending and is engineered to maintain strong airflow while delivering superior filtration, so it won't overwork your system when replaced on schedule.