A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/4" x 31 5/8" x 1" Quantity:Default You may know them as

You may know them as washable air or even permanent air filters

the greater it's resistance to airflow

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

Produces no ozone or aldehydes

No holes needed for installation in coil area

A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/4" x 31 5/8" x 1" Quantity:Default You may know them asYou 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