Aprilaire® Upgrade Kit for Models 2400/2140 (replaces 104 and 401)
Aprilaire Upgrade Kit 1413 for Model 2400 and Model 2140 Air Purifiers
Get better protection and performance and simplified filter changes! Upgrade your Aprilaire Model 2400 or Aprilaire Model 2140 Air Purifiers with an Aprilaire Upgrade Kit 1413 Today!
Removes nearly 2 times more contaminants. One time upgrade for a lifetime of improvement. Installs in minutes with no tools required. Easy to change filter system. Aprilaire Upgrade Filter Kit 1413 includes replacement filter #413. Fits in units with plastic ( non-metal) doors.
The Aprilaire Upgrade Kit 1413 also replaces the 4272 inner housing previously found in the Aprilaire Model 2400 Air Purifier.