Practical Pleated Air Filter (2-Pack) - 19 7/8" x 24 7/8" x 5" Quantity:Default if not you can measure

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

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

You never have to hassle with disposable filters that will end up in a landfill again

the more efficient a filter is at removing particles

Practical Pleated Air Filter (2-Pack) - 19 7/8" x 24 7/8" x 5" Quantity:Default if not you can measureYes, 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