A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 7/8" x 29 7/8" x 1" Quantity:Default some just refer to them

some just refer to them as electrostatic filters

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

Includes one Frame and PACK of 6 pads

Unlike some permanent custom air filters

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 7/8" x 29 7/8" x 1" Quantity:Default some just refer to themYou 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