A+2000 Washable Electrostatic Permanent Custom Air Filter - 20" x 23 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

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

In general

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

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

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

Either way

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

We look forward to delivering our American-made

One way to overcome this problem is to increase the surface area of the filter media

Filtering inserts are shipped in an easily stored packet

Unlike some permanent custom air filters

Instead of face loading (particles captured on the outer surface of the filter)