A+2000 Washable Electrostatic Permanent Custom Air Filter - 20" x 30" x 1" Quantity:Default The Pad and Frame Air

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

28X Increased Efficiency

with each stage capturing progressively smaller particles inside the filter

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

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

A+2000 Washable Electrostatic Permanent Custom Air Filter - 20" x 30" x 1" Quantity:Default The Pad and Frame AirYou 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