A+2000 Washable Electrostatic Permanent Custom Air Filter - 19" x 33" x 1"You 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

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

than standard fiberglass filters purchased at retail outlets

Can be ordered in packages of 2 each only

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

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

Either way

we even have the odd sizes

the A+2000 uses stage loading

and the greater the pressure drop it creates

Filtering inserts are shipped in an easily stored packet

Available in packs of 4

Unlike some permanent custom air filters