A+2000 Washable Electrostatic Permanent Custom Air Filter - 27 1/8" x 35 5/8" 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

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

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

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

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In general

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

with each stage capturing progressively smaller particles inside the filter

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

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

the A+2000 uses stage loading

Eliminates Filter Bypass

Filtering inserts are shipped in an easily stored packet