A+2000 Washable Electrostatic Permanent Custom Air Filter - 21" x 31" 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 SpeedLight䋢 Jr

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This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

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

Either way

They are constructed from 304 Stainless Steel material formed to exact specifications

is the ideal solution for healthier indoor environments for all homes and businesses

And there are no metal parts that could lead to corrosion or oxidation within the filter

degrade and restrict air flow

Keeps HVAC system cleaner and more efficient

and the greater the pressure drop it creates