Practical Pleated Air Filter (2-Pack) - 14" x 24" x 5" Quantity:Default One way to overcome this

One way to overcome this problem is to increase the surface area of the filter media

To learn more

these can be purchased in any conceivable size

if not you can measure it or check the HVAC unit and the owner‰۪s manual

Either way

Practical Pleated Air Filter (2-Pack) - 14" x 24" x 5" Quantity:Default One way to overcome thisYes, we even have the odd sizes! The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters. In general, the more efficient a filter is at removing particles, the greater it's resistance to airflow, and the greater the pressure drop it creates. One way to overcome this problem is to increase the surface area of the filter media. The "Practical Pleat" contains over 500% greater surface