A+2000 Washable Electrostatic Permanent Custom Air Filter - 20" x 36 7/8" x 1" Quantity:Default with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

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

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

We look forward to delivering our American-made

A+2000 Washable Electrostatic Permanent Custom Air Filter - 20" x 36 7/8" x 1" Quantity:Default with each stage capturing progressivelyYou 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