A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/2" x 21" x 1" Quantity:Default The permanent frame is constructed

The permanent frame is constructed of space-age plastics that are resistant to corrosion

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

Magnetic mount holds lamp in place

This design enables A+2000 custom air filters to maintain performance over the years

A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/2" x 21" x 1" Quantity:Default The permanent frame is constructedYou 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