210 Replacement Air Filter Media 2 Pack
Bought for my unit but it did not fit. Amazon would not take return because it had been over 90 days.
Aprilaire 210 Replacement Air Filter Media 3 Pack – Brand New Genuine OEM
HEALTHY AIR APP COMPATIBLE – Unlock the full potential of your AprilAire Whole-House Air Purifier with the AprilAire Healthy Air App! EASY AS 1-2-3 TO INSTALL in the unique AprilAire Interlock Rail System.