A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 1/8" x 23 3/8" 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

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

Filtering inserts are anti-microbial and are more efficient in capturing particles

SpeedLight䋢 Jr

Can be ordered in packages of 2 each only

PLEASE NOTE: Dimensions listed are HxWxD

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

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

It is designed to inhibit growth of bacteria

degrade and restrict air flow

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

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)