A+2000 Washable Electrostatic Permanent Custom Air Filter - 20 1/4" x 23 1/4" x 1" Quantity:Default Filtering inserts are anti-microbial and

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

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

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

A+2000 Washable Electrostatic Permanent Custom Air Filter - 20 1/4" x 23 1/4" x 1" Quantity:Default Filtering inserts are anti-microbial andYou 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