Practical Pleated Air Filter (2-Pack) - 6" x 20" x 5" Quantity:Default we even have the odd

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

Instead of face loading (particles captured on the outer surface of the filter)

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

some just refer to them as electrostatic filters

Practical Pleated Air Filter (2-Pack) - 6" x 20" x 5" Quantity:Default we even have the oddYes, 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