A+2000 Washable Electrostatic Permanent Custom Air Filter - 12" x 24" x 1" Quantity:Default and the greater the pressure

and the greater the pressure drop it creates

than standard fiberglass filters purchased at retail outlets

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

A+2000 Washable Electrostatic Permanent Custom Air Filter - 12" x 24" x 1" Quantity:Default and the greater the pressureYou 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