AprilAire cabinet media
Top recommendation when the correct cabinet is already installed or being added.
Quick, practical filter matching
Find the right air filter path
Choose the nominal size, decide whether you have AprilAire cabinet media, a name-brand 4-inch filter, or a name-brand 1-inch filter, then pick a filtration level your system can handle.
1. Choose nominal sizeStart with the size printed on the current filter.
2. Choose type/depthAprilAire cabinet media, name-brand 4-inch, or name-brand 1-inch.
3. Choose filtrationMERV 11/12, MERV 13/14, or MERV 16 where compatible.
Start by size
Common shortcuts
Start with the path you recognize
1410 cabinet options Start here if your cabinet says 1410. 410413416 1210 cabinet options Best starting point: MERV 11. 210213216 16x25 standard filters Check size and depth before ordering. 1-inch4-inch 20x25 standard filters MERV 11 / 12 is a practical start. 1-inch4-inch 20x20 standard filters MERV 13+ means verify airflow. MERV 11MERV 13+ 16x20 standard filters Compare common retail brands. 3M FiltreteHoneywellLennox Rail upgrade guides Verify cabinet and rail setup first. 4897 guide4898 guide Find by model/cabinet Search the number printed on your filter or cabinet. ModelCabinet
Name-brand 4-inch filters
Usually more media surface area than 1-inch filters when correctly fitted.
Name-brand 1-inch filters
Common and simple, with monthly check/change guidance.
MERV vs airflow
Higher MERV is not automatically better if the system cannot handle added resistance.