A+2000 Washable Electrostatic Permanent Custom Air Filter - 14 1/4" x 20 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

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

Can be ordered in packages of 2 each only

In general

with each stage capturing progressively smaller particles inside the filter

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

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

Because we specialize in custom air filters

We look forward to delivering our American-made

and the greater the pressure drop it creates

They are easy to install with custom air filters made to the sizes that you specify

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

Available in packs of 4