Practical Pleated Air Filter (2-Pack) - 23 1/2" x 35 1/4" 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

PACK of 6 pads for Pad and Frame Air Filters

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

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

Can be ordered in packages of 2 each only

In general

with each stage capturing progressively smaller particles inside the filter

the greater it's resistance to airflow

we even have the odd sizes

Eliminates Filter Bypass

Unlike some permanent custom air filters