Aerostar pleated filter pack shot for higher efficiency filtration.
Aerostar MERV 11 close-up demonstrates high-efficiency filtration.
Aerostar installation step visual aids quick, tool-free change.
Aerostar filter in furnace housing shows compatibility with HVAC units.
Aerostar brand label on filter reinforces trusted filtration solution.

Aerostar

Aerostar 16.375x21.5x1 MERV 11 Pleated Filter — 6 Pack for Furnace & AC

High-performance tools and home improvement made for confident daily results

$65.80

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Why customers choose TaskHolt Tools

Upgrade Your Indoor Air Quality with Aerostar MERV 11 Pleated Filters

Experience a noticeable lift in air quality with Aerostar’s pleated filters. This 16 3/8 x 21 1/2 x 3/4 inch filter (nominally listed as 16 3/8 x 21 1/2 x 1) is designed to fit standard furnaces and air conditioners. The electrostatically charged synthetic media captures particles from 0.3 to 1.0 microns, including dust, pollen, mold spores, and pet dander, helping keep surfaces and ducts cleaner between changes.

Made by Filtration Group, these MERV 11 filters balance filtration efficiency with low airflow resistance. The result can support your HVAC system by reducing unwanted buildup and potentially lowering maintenance needs over the season, while promoting consistent airflow in living spaces.

What this filter captures

  • Lint and fine dust
  • Dust mites and mold spores
  • Pollen and pet dander
  • Smoke particulates from everyday environmental exposure

Why choose Aerostar 16 3/8 x 21 1/2 x 3/4 MERV 11

These pleated filters offer a practical, cost‑effective step toward a cleaner home environment. The combination of durable synthetic media and an electrostatic charge helps attract and hold particles, potentially reducing the burden on your HVAC blower and keeping air pathways clearer.

  • Six-pack convenience for regular replacements
  • Nominal size aligns with many filter slots; actual size manufactured for a snug fit
  • Broad compatibility with furnaces and air conditioners
  • Easy installation and straightforward maintenance schedule

These filters replace common Bryant/Carrier configurations, including part numbers such as KFAFK0212MED, and cover multiple FA/FB series variants, offering broad compatibility. For best results, change filters every 60 to 90 days, and shorten to 30 days during peak summer and winter when the unit runs hardest. Keeping air flowing through clean filtration supports more consistent temperatures, less visible dust, and a fresher atmosphere in busy homes.

FAQ

Q: What is included in the Aerostar 6-pack MERV 11 filter set?

A: Six Aerostar MERV 11 pleated filters with nominal size 16 3/8 x 21 1/2 x 1; actual size 16 3/8 x 21 1/2 x 3/4.

Q: How often should I replace these filters?

A: Replace every 60–90 days; in peak seasons, consider 30-day changes for best airflow.

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