20x20x1 MERV 13 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 19 11/16’’ x 19 11/16’’ x 3/4‘’. Comparable with MPR 1500-1900 & FPR 10. Electrostatically charged filter media with industry leading low air flow resistance.
https://www.amazon.com/BNX-20x20x1-MERV-Filter-Pack/dp/B09XC3RQ3J