Pad and Frame Air Filter (1 Frame and 6 Pads) - 18" x 20" x 1"Includes one Frame and PACK of 6 pads The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts. The permanent frame is constructed of space age plastics that are resistant to corrosion, oxidation and deterioration. Filtering inserts are anti microbial and are more efficient in capturing particles, such as dust, ragweed, pollen, etc., from the air stream, than standard fiberglass filters purchased at retail

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

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

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

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

This design enables A+2000 custom air filters to maintain performance over the years

such as dust

from the air stream

We look forward to delivering our American-made

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

the A+2000 uses no foam that may clog