A+2000 Washable Electrostatic Permanent Custom Air Filter - 10" x 16" 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

built to last a lifetime

In general

the greater it's resistance to airflow

oxidation and deterioration

Either way

Includes one Frame and PACK of 6 pads

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

some just refer to them as electrostatic filters

and the greater the pressure drop it creates

Filtering inserts are shipped in an easily stored packet

high quality Air Filters to you

Unlike some permanent custom air filters