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
July 9, 2025 by Patricia T. (GA, United States)
“No problems at all!”
Verified Buyer
July 8, 2025 by A Reviewer (United States)
“Easy to navigate and great prices”
Verified Buyer
July 8, 2025 by Anthony O. (United States)
“Great selection of parts from all kinds of manufacturers!!! Awesome! First stop when I need parts. Thank you!”

Manufacturer Info