A+2000 Washable Electrostatic Permanent Custom Air Filter - 16 1/4" x 21 1/8" x 1" Quantity:Default these can be purchased in

these can be purchased in any conceivable size

oxidation and deterioration

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

Eliminates Filter Bypass

such as dust

A+2000 Washable Electrostatic Permanent Custom Air Filter - 16 1/4" x 21 1/8" x 1" Quantity:Default these can be purchased inYou 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