A+2000 Washable Electrostatic Permanent Custom Air Filter - 18 1/8" x 28" 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

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

built to last a lifetime

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

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Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

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

oxidation and deterioration

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

And there are no metal parts that could lead to corrosion or oxidation within the filter

the A+2000 uses stage loading

high quality Air Filters to you

Unlike some permanent custom air filters