A+2000 Washable Electrostatic Permanent Custom Air Filter - 20 1/4" x 36 1/4" x 1" Quantity:Default The unit also includes a

The unit also includes a magnetic mounting bracket for optional installation inside air handlers

To find the size the old unit should have sizing information printed on it

UL/ULC listed

mold and other fungi

A+2000 Washable Electrostatic Permanent Custom Air Filter - 20 1/4" x 36 1/4" x 1" Quantity:Default The unit also includes aYou 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