A+2000 Washable Electrostatic Permanent Custom Air Filter - 17" x 23 1/8" x 1" Quantity:Default They are easy to install

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

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

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

with each stage capturing progressively smaller particles inside the filter

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

A+2000 Washable Electrostatic Permanent Custom Air Filter - 17" x 23 1/8" x 1" Quantity:Default They are easy to installYou 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