Practical Pleated Air Filter (2-Pack) - 13 3/4" x 13 3/4" x 5" Quantity:Default than standard fiberglass filters purchased

than standard fiberglass filters purchased at retail outlets

compact electronic power supply

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

so it can provide a lifetime of dependable service

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

Practical Pleated Air Filter (2-Pack) - 13 3/4" x 13 3/4" x 5" Quantity:Default than standard fiberglass filters purchasedYes, 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