A+2000 Washable Electrostatic Permanent Custom Air Filter - 18" x 36" 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

PACK of 6 pads for Pad and Frame Air Filters

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

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

You never have to hassle with disposable filters that will end up in a landfill again

28X Increased Efficiency

Either way

we even have the odd sizes

You may know them as washable air or even permanent air filters

Eliminates Filter Bypass

The permanent frame is constructed of space-age plastics that are resistant to corrosion

some just refer to them as electrostatic filters