A+2000 Washable Electrostatic Permanent Custom Air Filter - 18 3/4" x 35 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

PACK of 6 pads for Pad and Frame Air Filters

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

åÊWe look forward to delivering our American-made

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so it can provide a lifetime of dependable service

oxidation and deterioration

Either way

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

Because we specialize in custom air filters

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