Aprilaire® #810 Filter Media Replacement

Aprilaire #810 High Efficiency Filtering Media - MERV 11 (2-Pack)

This highly efficient filter media fits common 20" X 25" Air Cleaners after they have been upgraded using the Aprilaire 4897 Upgrade Kit. This kit upgrades air cleaner cabinets from Carrier, Honeywell, Lennox, Ultravation, General, Trion, and others.

• Filter change is fast and simple
• Filter "self-sealing" ends eliminates filter blow by
• Collapsible filter protected from damage  - a common problem with large "box" filters
• Saves space in your cramped mechanical room!  Compare collapsed dimensions of 4-1/4" X 4-3/4" X 27" with 20" X 25" X 5"!!

Replaces the following: