A+2000 Washable Electrostatic Permanent Custom Air Filter - 7 3/4" x 23 3/4" x 1" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

these can be purchased in any conceivable size

with each stage capturing progressively smaller particles inside the filter

Includes one Frame and PACK of 6 pads

A+2000 Washable Electrostatic Permanent Custom Air Filter - 7 3/4" x 23 3/4" x 1" Quantity:Default the A+2000 uses stage loadingYou 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