Practical Pleated Air Filter (2-Pack) - 19 1/2" x 24 1/2" x 5" Quantity:Default The permanent frame is constructed

The permanent frame is constructed of space-age plastics that are resistant to corrosion

This design enables A+2000 custom air filters to maintain performance over the years

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

the A+2000 uses stage loading

Includes one Frame and PACK of 6 pads

Practical Pleated Air Filter (2-Pack) - 19 1/2" x 24 1/2" x 5" Quantity:Default The permanent frame is constructedYes, 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