Practical Pleated Air Filter (2-Pack) - 18" x 28" x 5" Quantity:Default The "Practical Pleat" media is

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

the greater it's resistance to airflow

You may know them as washable air or even permanent air filters

degrade and restrict air flow

And there are no metal parts that could lead to corrosion or oxidation within the filter

Practical Pleated Air Filter (2-Pack) - 18" x 28" x 5" Quantity:Default The "Practical Pleat" media isYes, 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