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
Nominal dimensions: 19 7/8 x 21 1/2 x 1; True dimensions: 19 7/8" x 21 1/2" x 3/4"; This MERV 11 filter is similar to MPR 1000-1200 & FPR 7.
Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke