A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/4" x 13 1/2" 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 "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

UL/ULC listed

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

Water resistant lamp connection

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

the more efficient a filter is at removing particles

the A+2000 uses stage loading

The permanent frame is constructed of space-age plastics that are resistant to corrosion

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

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