Aprilaire Stock 401 Air Filter

Aprilaire stock 401 air filter for Aprilaire 2400 and Space-Gard 2400 cabinet

Accordion style filter

Genuine Aprilaire filter

Shipping rate for continental United States.  Contact us for rates to other locations.

$46.00

Add to Cart:
Always Free Shipping
  • Model: Aprilaire 401
  • Manufactured by: Aprilaire
Ask a Question
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.9
Out of 5.0
A graph showing this site's review totals.
Overall Rating
98%
of customers that buy
from this merchant give
them a 4 or 5-Star rating.
Verified Buyer
June 7, 2025 by Eric W. (United States)
“called up with questions at the end of the day. recieved a great explanation and setup to be able to order parts over the weekend.”
Verified Buyer
June 6, 2025 by Erika P. (United States)
“Quick and easy ordering process!”
Verified Buyer
June 5, 2025 by Douglas S. (United States)
“a little bit more difficult than previously as I had to search for a bit to find the reorder button.”

Manufacturer Info

(image for) Aprilaire