Practical Pleated Air Filter (2-Pack) - 21 3/8" x 21 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

these can be purchased in any conceivable size

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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than standard fiberglass filters purchased at retail outlets

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

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

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

oxidation and deterioration

We look forward to delivering our American-made

some just refer to them as electrostatic filters

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

Unlike some permanent custom air filters