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.
- Protects your HVAC system and offers superior filtration performance to 1” filters
- 31”x28” nominal size – recommended for geothermal and other larger HVAC systems
- Steel cabinet
- Comes with 516 Allergy & Asthma 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 every 6 months
- Versatile installation — compatible with systems located in basements, attics, closets, and more
- Compatible with the 510 Clean Air Filter, 513 Healthy Home Filter, and 513CBN Odor Reduction Filter