Aerostar 20x25x4 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6-Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4")
Brand: Aerostar
Color: MERV 11
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.
Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
Simple to install and a cost-effective step towards a healthier home environment. Replace 3"-5" filters every 3-6 months.
100% synthetic electrostatic media for high efficiency with low air flow resistance
Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive