Aerostar 21.5x21.5x1 MERV 11-6 Count - Pleated Furnace & Air Conditioner Filters - Removes Dust, Cold & Flu Germs, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog & Smoke

Product Price

$64.26

Product Review Score

4.91 out of 5 stars

95 reviews

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Additional Product Details

  • Nominal Size: 21 1/2x21 1/2x1; Actual Size: 21 1/2" x 21 1/2" x 3/4"
  • Comparable to MPR 1000 to 1200 Micro Allergen Defense and Honeywell Allergen Plus 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. 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

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