A+2000 Washable Electrostatic Permanent Custom Air Filter - 16 1/4" x 21 1/8" 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

Then simply add that information to our easy to use order form above

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

such as dust

the greater it's resistance to airflow

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

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

we even have the odd sizes

if not you can measure it or check the HVAC unit and the owner‰۪s manual

and the greater the pressure drop it creates

Filtering inserts are shipped in an easily stored packet

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