A+2000 Washable Electrostatic Permanent Custom Air Filter - 12" x 21" x 1" Quantity:Default The "Practical Pleat" media is

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

PACK of 6 pads for Pad and Frame Air Filters

built to last a lifetime

the more efficient a filter is at removing particles

A+2000 Washable Electrostatic Permanent Custom Air Filter - 12" x 21" x 1" Quantity:Default The "Practical Pleat" media isYou 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