A+2000 Washable Electrostatic Permanent Custom Air Filter - 31 1/2" x 32 1/2" x 1" Quantity:Default No holes needed for installation

No holes needed for installation in coil area

To learn more

and the greater the pressure drop it creates

Filtering inserts are shipped in an easily stored packet

Available in packs of 4

A+2000 Washable Electrostatic Permanent Custom Air Filter - 31 1/2" x 32 1/2" x 1" Quantity:Default No holes needed for installationYou 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