A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 3/8" x 11 3/8" x 1" Quantity:Default No holes needed for installation

No holes needed for installation in coil area

Can be ordered in packages of 2 each only

Unlike some permanent custom air filters

This design enables A+2000 custom air filters to maintain performance over the years

the A+2000 uses no foam that may clog

A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 3/8" x 11 3/8" 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