Nominal size: 20x25x4; Actual size: 19 1/2"x24 1/2"x3 3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7.
Easy to set up and an affordable way to promote a healthier home atmosphere. Change 3"-5" filters every 3 to 6 months.
100% synthetic electrostatic media for high efficiency with low air flow resistance
Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive