A+2000 Washable Electrostatic Permanent Custom Air Filter - 17" x 19" x 1" Quantity:Default with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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

and long service life which reduces HVAC equipment maintenance and energy costs

A+2000 Washable Electrostatic Permanent Custom Air Filter - 17" x 19" x 1" Quantity:Default with each stage capturing progressivelyYou 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