A+2000 Washable Electrostatic Permanent Custom Air Filter - 20 3/8" x 23 3/8" 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

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

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

Can be ordered in packages of 2 each only

To learn more

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

This is designed to fit into 1" Return Air Grilles

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

degrade and restrict air flow

if not you can measure it or check the HVAC unit and the owner‰۪s manual

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