14x20x1 MERV 13 air filter replacement for your air conditioner, furnace, or HVAC system. Actual size: 13 11/16 x 19 11/16 x 3/4. Comparable with MPR 1500-1900 & FPR 10. Electrostatically charged filter media with industry-leading low airflow resistance. MADE IN USA, SUSTAINABLY - Proudly manufactured by BNX Converting, LLC in Houston, TX, a registered and approved facility (EPA Registration # 101638-TX-1). Adopts single-sided (one-piece) frame technology to reduce environmental waste and is made sustainably from recycled cardboard. CAPTURES MICROSCOPIC PARTICLES - The BNX air filter has a MERV 13 rating allowing it to capture 98% of airborne particles without impacting airflow. Captures microscopic particles such as virus carriers, bacteria, odors, smoke, and pollen, pet dander, allergens, dust, lint, mold, dust mites, smog.