A+2000 Washable Electrostatic Permanent Custom Air Filter - 11" x 20" x 1"You 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

åÊWe look forward to delivering our American-made

so it can provide a lifetime of dependable service

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

with each stage capturing progressively smaller particles inside the filter

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

This is designed to fit into 1" Return Air Grilles

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

and long service life which reduces HVAC equipment maintenance and energy costs

is the ideal solution for healthier indoor environments for all homes and businesses

The permanent frame is constructed of space-age plastics that are resistant to corrosion

We look forward to delivering our American-made

One way to overcome this problem is to increase the surface area of the filter media