NWT Aerostar 20 x 20 x 2 MERV 13 Pleated Air Filter, AC Furnace, 6 Pack

Brand New! Nominal size: 20x20x2; Actual size: 19 1/2"x19 1/2"x1 3/4"; This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10. Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months 100% synthetic electrostatic media for high efficiency with low air flow resistance Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive