Best starting point
#510 Media Filter 31x28 MERV 11
Good filtration and usually the easiest airflow choice.
View details / pricesCabinet replacement guide
Start here if your cabinet says 1510. These are replacement media options for the cabinet you already have.
#1510 cabinet uses 31x28 AprilAire media.
Use these when the exact customer setup is already known.
Use the model printed on the existing filter or cabinet to confirm this path. These options are replacement media for the cabinet named on this page, not a recommendation to replace the cabinet itself.
Higher MERV can be more restrictive. If your system already struggles with airflow, do not jump straight to the highest MERV without checking system airflow/static pressure.
For pros: verify size, depth, cabinet, or rail setup before quoting or ordering.