A+2000 Washable Electrostatic Permanent Custom Air Filter - 19 3/4" x 21 7/8" x 1" Quantity:Default with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

PLEASE NOTE: Dimensions listed are HxWxD

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

And there are no metal parts that could lead to corrosion or oxidation within the filter

They are constructed from 304 Stainless Steel material formed to exact specifications

A+2000 Washable Electrostatic Permanent Custom Air Filter - 19 3/4" x 21 7/8" x 1" Quantity:Default with each stage capturing progressivelyYou 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