A+2000 Washable Electrostatic Permanent Custom Air Filter - 19 3/8" x 27 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

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

these can be purchased in any conceivable size

offers the quickest installation on the Planet

Can be ordered in packages of 2 each only

UL/ULC listed

The unit also includes a magnetic mounting bracket for optional installation inside air handlers

the greater it's resistance to airflow

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

Produces no ozone or aldehydes

and long service life which reduces HVAC equipment maintenance and energy costs

It is designed to inhibit growth of bacteria

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