A+2000 Washable Electrostatic Permanent Custom Air Filter - 23" x 36" x 1" Quantity:Default They are easy to install

They are easy to install with custom air filters made to the sizes that you specify

built to last a lifetime

with each stage capturing progressively smaller particles inside the filter

Filtering inserts are shipped in an easily stored packet

A+2000 Washable Electrostatic Permanent Custom Air Filter - 23" x 36" x 1" Quantity:Default They are easy to installYou 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