A+2000 Washable Electrostatic Permanent Custom Air Filter - 10" x 19 7/8" x 1" Quantity:Default some just refer to them

some just refer to them as electrostatic filters

Can be ordered in packages of 2 each only

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

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

A+2000 Washable Electrostatic Permanent Custom Air Filter - 10" x 19 7/8" x 1" Quantity:Default some just refer to themYou 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