Practical Pleated Air Filter (2-Pack) - 18 3/4" x 23 3/4" x 5" Quantity:Default You never have to hassle

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

Can be ordered in packages of 2 each only

the greater it's resistance to airflow

We look forward to delivering our American-made

Practical Pleated Air Filter (2-Pack) - 18 3/4" x 23 3/4" x 5" Quantity:Default You never have to hassleYes, 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