Aerostar 20x20x1 MERV 11 Pleated Air Filter, 6 Pack (Actual Size: 19 3/4"x 19 3/4" x 3/4")

4.7 (28k+ ratings)

This product is a 6-pack of 20x20x1 MERV 11 pleated air filters designed for high-efficiency filtration. Made with electrostatically charged synthetic material, these filters capture allergens and particles between 0.3 - 1.0 microns, such as dust mites, pollen, and smoke. They enhance HVAC efficiency, reducing maintenance and utility costs. For optimal performance, replace every 60-90 days, or every 30 days during peak usage. Compatible with furnaces and AC units, they are easy to install.

What customers like:
  • Excellent customer service with prompt issue resolution.
  • Easy installation process.
  • Good value for money.
  • Sturdy construction that lasts a few months.
  • Fits well without being too tight or loose.
  • Meets MERV 11 requirements for AC.
  • Sturdy cardboard frame compared to cheaper brands.
  • Quick delivery.
What customers dislike:
  • Occasional issues with receiving the wrong order or damaged filters.
  • Packaging quality has declined making it difficult to remove a single filter.
  • Price has increased significantly over time.
  • Some customers received fewer filters than advertised.
  • Concerns about receiving nonbranded or generic filters instead of Aerostar.