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