A+2000 Washable Electrostatic Permanent Custom Air Filter - 12 5/8" x 21" x 1" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

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

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

A+2000 Washable Electrostatic Permanent Custom Air Filter - 12 5/8" x 21" 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