A+2000 Washable Electrostatic Permanent Custom Air Filter - 19 5/8" x 19 5/8" 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

than standard fiberglass filters purchased at retail outlets

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This is designed to fit into 1" Return Air Grilles

You may know them as washable air or even permanent air filters

we even have the odd sizes

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

degrade and restrict air flow

the A+2000 uses stage loading

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

Eliminates Filter Bypass

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

the A+2000 uses no foam that may clog