Practical Pleated Air Filter (2-Pack) - 13 3/8" x 13 3/8" x 5"Yes, 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

To find the size the old unit should have sizing information printed on it

PACK of 6 pads for Pad and Frame Air Filters

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 "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

than standard fiberglass filters purchased at retail outlets

Some of the other benefits of A+2000 custom air filters include the following

In general

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

Includes one Frame and PACK of 6 pads

some just refer to them as electrostatic filters

They are easy to install with custom air filters made to the sizes that you specify

Unlike some permanent custom air filters