Aerostar 18x24x4 MERV 11, Pleated Air Filter, 18 x 24 x 4, Box of 4, Made in the USA
Product information
$106.67
Product price and availability are accurate as of January 26, 2026 at 10:56pm and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Additional details
Features
Nominal: 18 x 24 x 4 Size: 17 3/8"x23 3/8"x3 3/4" 18x24x4, AC Furnace Air Filter High Capacity Comparable to MPR 1000 to 1200 Micro Allergen Defense Comparable to Honeywell Allergen Plus FPR 7 Designed to filter microscopic particles such as lint, dust, dust mites, spores, pollen, pet dander, and smoke.
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