Aprilaire 1413 Upgrade Kit For Aprilaire Models 2400 And 2140 - Product Features
- Removes nearly 2 times more contaminants
- One time upgrade for a lifetime of improvement
- Aprilaire Upgrade Kit 1413 installs in minutes with no tools required
- Easy-to-change filter system
- Aprilaire Upgrade Kit 1413 includes replacement filter #413