Practical Pleated Air Filter (2-Pack) - 20" x 30" x 5" Quantity:Default the more efficient a filter

the more efficient a filter is at removing particles

built to last a lifetime

these can be purchased in any conceivable size

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

Can be ordered in packages of 2 each only

Practical Pleated Air Filter (2-Pack) - 20" x 30" x 5" Quantity:Default the more efficient a filterYes, 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