Every Genuine AprilAire Air Filter is manufactured and sold with our Pure Fit Promise, which guarantees that our filters will fit flawlessly into your AprilAire Whole-Home Air Purifier and deliver purer healthier air. Click here to learn more about the Aprilaire Pure Fit Promise.
Every system needs an air purifier — choose AprilAire for a healthier, cleaner home.
- Protects your HVAC system and offers superior filtration performance to 1” filters
- 20”x20” nominal size
- Painted steel cabinet
- Comes with 313 Healthy Home Air Filter, which has more than 9 times the filtration area found in 1" filters
- Guaranteed with our Pure Fit Promise: Self Seal™ technology, interlocking rails, and Clean Coil Commitment
- Easy to maintain — simply change the Air Purifier’s filter once up to every 12 months
- Versatile installation — compatible with systems located in basements, attics, closets, and more
Compatible with the 310 Clean Air Filter