Aprilaire 401 Air Filter Genuine Replacement for Aprilaire 2400

Brand: Aprilaire
Model: 401
Condition: New
SKU: 826437
4.5 (2 Reviews)
In Stock

Aprilaire 401 Filter Replacement

Regular Price: $30.15
On Sale: $22.84
+ FREE Shipping!
(Orders over $299.00)
Save to List
Add 14 more to get the 3% Bundle Discount!
Add 23 more to get the 5% Bundle Discount!

Earn 2 Westside Dollars for every 1 piece purchased.


The Aprilaire 401 Air Filter is a genuine air filter replacement for the Aprilaire 2400 air purifier. This Aprilaire air filter provides essential clean air throughout your house especially when inhabitants are prone to irritation by allergies or dust. For these reasons, Aprilaire® recommends replacing your air cleaner filter at least once a year depending on the operation of your heating and air conditioning system.

Installation of the Aprilaire 401 is easy and takes only minutes.

Aprilaire 401 air filters are MERV 10 rated. Take advantage of all of the cleaning effects of Aprilaire's new media filters on any of your older air cleaners and order the Aprilaire 401 air filter for Model 2400 Air Cleaners today!

There is an Aprilaire 2400 upgrade kit available for improved performance and to avoid having to use the pleat spacers  

  • Compatible with Space-Guard Air Cleaner Model 2400
  • Easy To Change and Install
  • Lasts Up to 2 Years Contingent On Use
  • Quality Construction
  • MERV 10 Efficiency Air Filter
  • Filter Dimensions: 16" x 27" x 6"
  • Replace Annually
  • Replacement Filter for Space-Guard Aprilaire Model 2400
  • Use 1413 Upgrade Kit for better performance
Customer Reviews

Aprilaire 2400

We bought the Aprilaire 2400 unit a year ago and needed to replace the filter. My local store had them in stock at $89.99. Thought it was too expensive and went looking for it online. This is the best price I found and I did a thorough search.


on 07-10-2014 by Susan


I couldn't believe the price. I buy these from Home depot for twice as much. they work great


on 02-13-2010 by Geoff Henry

Write Your Own Review:

 1 star2 stars3 stars4 stars5 stars

Submit Review
Questions & Answers

Does this filter fit my existing aprilaire high efficiency air cleaner which is 9 years old, without making modifications?

by Paul K. on 04-23-2013

This MERV 10 rated filter can also be retroactively fitted into your older Space-Guard Air Cleaners by simply applying the 1413 Upgrade Unit.

on 04-23-2013

What does this filter capture and is it a genuine Aprilaire filter?

by John F. on 05-25-2012

The Aprilaire 401 has a MERV 10 rating and will remove pathogens, pollen, allergens, dust, dander, airborne debris, pet hair, and more. By removing harmful bacteria and pathogens, the Aprilaire 401 provides a cleaner, healthier indoor environment. 

Yes, this is a Genuine Aprilaire replacment filter. 

on 05-25-2012
Please login or register before adding a question.

If you are a new customer, please register first: