A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 1/4" x 11 1/4" x 1"You may know them as washable air or even permanent air filters; some just refer to them as electrostatic filters. Either way, the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products, built to last a lifetime. Unlike some permanent custom air filters, the A+2000 uses no foam that may clog, degrade and restrict air flow, so it can provide a lifetime of dependable service. And there are no metal parts that could

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

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

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In general

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

the greater it's resistance to airflow

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

we even have the odd sizes

Includes one Frame and PACK of 6 pads

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

some just refer to them as electrostatic filters