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  • Filter Life
  • MERV Rating
  • Reduces Dust
  • Reduces Pollen
  • Reduces Mold Spores
  • Reduces Pet Dander
  • Reduces Smoke & Smog
  • Reduces Allergens
  • Reduces Bacteria
  • Reduces Virus Carriers
Aprilaire 401 Replacement Air Filter for 2400 Air Cleaner
Buy 1 - 3 for $33.89 ea.
Buy 4+ for $27.89 ea.

Retail: $49.99
You Save: 32%
Ships by Monday 12/9/2019
  • 6 - 12 Months
  • MERV 10
FiltersFast Replacement for 16x28x6 MERV11 AprilAire 401 2-Pack
Save 23% with a compatible filter

Retail: $59.99
You Save: 13%
Ships in 2 to 3 business days.
  • 6 - 12 Months
  • MERV 11
Sign up for the Home Filter Club during checkout.
You Choose how often you want your filter, and we take care of the rest.
Product Information
Aprilaire 401
FiltersFast DSG401M11FF

Tackle up to 99% of pollen, mold, spores, dust and other airborne allergens inside your home with the Aprilaire 401, 2400 replacement whole house air filter media. How is that possible? Patented SelfSeal technology combines with the electrostatically charged MERV 10 rated filter media to cut air gaps for more effective particle capture rate and less pressure drops. To say it simply, air coming out the other side of the filter is cleaner and it stays that way much longer. Clean air means better breathing. For those with allergies or other respiratory illnesses this should come as a relief. We spend much of our time indoors so keeping the air we breathe pollution free is big step to healthier lungs and body.

Aprilaire 401, 2400 Replacement Specifications:

  • Part Number: 401; 2400
  • MERV Rating: MERV 10
  • Dimensions: 16"x27"x6"
  • Filter Life: 6 - 12 months
  • OEM Part: Yes
  • Collapsible filter media
  • Genuine Aprilaire replacement filter
  • Replacement Filter for Spacegard Aprilaire Model 2400
  • Remove up to 95% of tobacco smoke
  • Removes up to 99% of dust, lint, pollen, dust mite debris
  • Note the correct spelling is Aprilaire, and not April Air, April Aire or Aprilair

Please note that you can also upgrade to the Aprilaire 413 Filter Replacement, which is typically used in the Aprilaire 2410 and 4400 Air Cleaners, provided you install the Spacegard Aprilaire 2400 Upgrade Kit. The Aprilaire 413 Air Filter boasts a MERV 13 rating (compared to the MERV 10 rating of the Aprilaire 401) and removes more contaminants.

The Aprilaire 401 can be replaced by the following compatible filters:

The Aprilaire 401, 2400 Fits Most Air Cleaner Models That Use 16"x27"x6" Sized Filters With The Following Numbers:


  • Spacegard 2400


  • AC-4, AC24


  • PMAC-12C

If you don't see your model number check with the manufacturer to verify compatibility.


Product Reviews :

Average rating : 4 Star Rating
Number of reviews : 4
Write a review
  • 5 Star Rating
    beckyhouston  Thursday, July 19, 2018

    Great experience ordering with FiltersFast. Arrived as expected. Will definitely order from them again.

  • 3 Star Rating
    Filter less than perfect
    veb119  Wednesday, July 18, 2018

    The filter I installed had strings that were unraveling. Which made it difficult to install. First time I had that problem.

  • 5 Star Rating
    a great service
    jcsports2  Wednesday, July 18, 2018

    love receiving our filters on time every 6 months without having to worry about it.

  • 5 Star Rating
    Filter Upgrade
    Greg - Wood River, IL  

    I upgraded my Aprilaire system to the newer Spacegard 2400/Aprilaire 240. The retrofit was easy to install and the filters are easier to replace than the old Aprilaire system. The filters are superior. Glad I found, they had what I needed!

" Thanks for being a great place to find filters. " - Charles, Front Royal, VA
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