A+2000 Washable Electrostatic Permanent Custom Air Filter - 29" x 32 3/4" 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

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

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

In general

with each stage capturing progressively smaller particles inside the filter

Either way

degrade and restrict air flow

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

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

the A+2000 uses stage loading

Eliminates Filter Bypass

high quality Air Filters to you

Available in packs of 4