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Shop / aerostar 20 x 21 1/2 x 1 merv 8 pleated air filter

4-Pack MERV 11 Pleated Air Filter, 20x21.5x1, Made in USA

$ 47.40   $30.81   save 35%
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About this item

  • Nominal: 20 x 21 1/2 x 1, Size: 19 7/8"x21 1/2"x3/4" 20x21 1/2x1, AC Furnace Air Filter
  • 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 mites, spores, pollen, pet dander, dust, and smoke.
  • Change frequency 60-90 days, Made in the USA.
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