Practical Pleated Air Filter (2-Pack) - 34" x 34" x 5" Quantity:Default and the greater the pressure

and the greater the pressure drop it creates

The filtering media consists of two layers of Stainless Steel roll formed baffles

these can be purchased in any conceivable size

Water resistant lamp connection

Either way

Practical Pleated Air Filter (2-Pack) - 34" x 34" x 5" Quantity:Default and the greater the pressureYes, 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