A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/2" x 24 1/2" x 1" Quantity:Default Size: 20x20x5 (20

Size: 20x20x5 (20

extended service life

UL/ULC listed

It is designed to inhibit growth of bacteria

and dependable HVAC system performance

A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 1/2" x 24 1/2" x 1" Quantity:Default Size: 20x20x5 (20You 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