A+2000 Washable Electrostatic Permanent Custom Air Filter - 14 1/4" x 24 1/4" 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

To find the size the old unit should have sizing information printed on it

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

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

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

This is designed to fit into 1" Return Air Grilles

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

And there are no metal parts that could lead to corrosion or oxidation within the filter

from the air stream

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

high quality Air Filters to you