A+2000 Washable Electrostatic Permanent Custom Air Filter - 21 1/2" x 23 5/8" x 1" Quantity:Default Its robust construction allows for

Its robust construction allows for reliable operation

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Choose 6-Pack (default) or 12-Pack for best value

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

Magnetic mount holds lamp in place

A+2000 Washable Electrostatic Permanent Custom Air Filter - 21 1/2" x 23 5/8" x 1" Quantity:Default Its robust construction allows forYou 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