Practical Pleated Air Filter (2-Pack) - 20" x 30" x 5" Quantity:Default these can be purchased in

these can be purchased in any conceivable size

åÊWe look forward to delivering our American-made

than standard fiberglass filters purchased at retail outlets

some just refer to them as electrostatic filters

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

Practical Pleated Air Filter (2-Pack) - 20" x 30" x 5" Quantity:Default these can be purchased inYes, 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