Practical Pleated Air Filter (2-Pack) - 19 5/8" x 19 3/4" x 5" Quantity:Default Because we specialize in custom

Because we specialize in custom air filters

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

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

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

This is designed to fit into 1" Return Air Grilles

Practical Pleated Air Filter (2-Pack) - 19 5/8" x 19 3/4" x 5" Quantity:Default Because we specialize in customYes, 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