Aerostar MERV 13 Pleated Air Filter, 21x21x4

Breathe easy with this high-efficiency filter that captures dust, pollen, and allergens

Product Price

$162.85

Product Review Score

4.9 out of 5 stars

152 reviews

Product Brand

Product Summary

The Aerostar MERV 13 Pleated Air Filter, 21x21x4, keeps your home's air fresh and clean by trapping dust, pollen, and allergens like a pro. With its sturdy design, it’s super easy to install and fits most HVAC systems, making it a smart choice for maintaining great indoor air quality.

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Additional Product Details

  • Nominal size: 21 x 21 x 4
  • Actual dimensions: 20 7/8" x 20 7/8" x 3 3/4"
  • Works great as an AC furnace air filter
  • High capacity for catching particles
  • Filters out allergens with a performance level similar to MPR 1500 to 1900
  • Offers ultimate defense against allergens
  • Similar effectiveness to Honeywell Allergen Elite FPR 10
  • Traps tiny particles like lint, dust mites, and spores
  • Captures pollen, pet dander, and fine dust
  • Acts as a barrier against smoke, viruses, and bacteria

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