Replacement Filters

Purchase a selection of air filters directly from our site.

Aprilaire 501 Air Filter

Aprilaire 501 Air Filter


The Aprilaire 501 air filter is designed for effective contaminant removal from your air stream, and fits the Aprilaire Model 5000 Air Purifier.

  • Captures up to 90% virus-sized airborne particles 0.3 – 1.0 microns passing through the filter, including airborne particulates associated with tobacco smoke and smog.
  • Traps up to 98% of airborne allergy and asthma triggers 3.0 – 10.0 microns from circulating through the air in your home as they pass through the filter including dust, pollen, mold spores, bacteria, pet dander, and dust mites
  • Eliminates 98% of airborne bacteria-sized particles.
  • Removes 94% of dust the EPA reports can trigger asthma.
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