A+2000 Washable Electrostatic Permanent Custom Air Filter - 18 3/4" x 21 3/4" x 1"You 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

these can be purchased in any conceivable size

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

offers the quickest installation on the Planet

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than standard fiberglass filters purchased at retail outlets

28X Increased Efficiency

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

Easy Installation and ServiceåÊ

Includes one Frame and PACK of 6 pads

It is designed to inhibit growth of bacteria

viruses and mold

the A+2000 uses no foam that may clog