A+2000 Washable Electrostatic Permanent Custom Air Filter - 22" x 30 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

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

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

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

such as dust

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

some just refer to them as electrostatic filters

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

Available in packs of 4

Unlike some permanent custom air filters

the A+2000 uses no foam that may clog

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