Practical Pleated Air Filter (2-Pack) - 13 3/4" x 23 3/4" x 5" Quantity:Default with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

so it can provide a lifetime of dependable service

We look forward to delivering our American-made

Practical Pleated Air Filter (2-Pack) - 13 3/4" x 23 3/4" x 5" Quantity:Default with each stage capturing progressivelyYes, 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