A+2000 Washable Electrostatic Permanent Custom Air Filter - 20 1/2" x 25 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

Area: 576 sq in

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The SpeedLight䋢 Jr

0 Inches**

No screws need

Size: 20x20x1 (20

Area: 36 sq in

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

Size: 24x24x1 (24

Keeps HVAC system cleaner and more efficient

the more efficient a filter is at removing particles

Filtering inserts are shipped in an easily stored packet