A+2000 Washable Electrostatic Permanent Custom Air Filter - 19 7/8" x 21 1/2" 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

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

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

such as dust

the greater it's resistance to airflow

This design enables A+2000 custom air filters to maintain performance over the years

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

Includes one Frame and PACK of 6 pads

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

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

Unlike some permanent custom air filters

the A+2000 uses no foam that may clog