Practical Pleated Air Filter (2-Pack) - 23" x 23" 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

these can be purchased in any conceivable size

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

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

oxidation and deterioration

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

Either way

we even have the odd sizes

and long service life which reduces HVAC equipment maintenance and energy costs

degrade and restrict air flow

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

and the greater the pressure drop it creates