Practical Pleated Air Filter (2-Pack) - 20 1/2" x 20 1/2" 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

so it can provide a lifetime of dependable service

Then Order custom air filters from us today

You never have to hassle with disposable filters that will end up in a landfill again

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

such as dust

yet powerful solution for air stream disinfection or coil irradiation

Produces no ozone or aldehydes

we even have the odd sizes

And there are no metal parts that could lead to corrosion or oxidation within the filter

Water resistant lamp connection

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

Available in packs of 4