A+2000 Washable Electrostatic Permanent Custom Air Filter - 28 1/4" x 30 3/8" x 1" Quantity:Default such as dust

such as dust

Either way

One way to overcome this problem is to increase the surface area of the filter media

some just refer to them as electrostatic filters

To learn more

A+2000 Washable Electrostatic Permanent Custom Air Filter - 28 1/4" x 30 3/8" x 1" Quantity:Default such as dustYou 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