Practical Pleated Air Filter (2-Pack) - 18 1/2" x 23 1/2" x 5" Quantity:Default and long service life which

and long service life which reduces HVAC equipment maintenance and energy costs

oxidation and deterioration

Filtering inserts are anti-microbial and are more efficient in capturing particles

One way to overcome this problem is to increase the surface area of the filter media

Practical Pleated Air Filter (2-Pack) - 18 1/2" x 23 1/2" x 5" Quantity:Default and long service life whichYes, 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