A+2000 Washable Electrostatic Permanent Custom Air Filter - 16 1/2" x 19 1/2" x 1" Quantity:Default You may know them as

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

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

such as dust

They are easy to install with custom air filters made to the sizes that you specify

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

A+2000 Washable Electrostatic Permanent Custom Air Filter - 16 1/2" x 19 1/2" 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