Merv 8 Pleated Air Filter - 21 1/2" x 21 1/2" x 1"Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop, and long service life which reduces HVAC equipment maintenance and energy costs. 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.

offers the quickest installation on the Planet

SpeedLight䋢 Jr

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The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

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

Simply cut a hole

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

from the air stream

The permanent frame is constructed of space-age plastics that are resistant to corrosion

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

and the greater the pressure drop it creates

Unlike some permanent custom air filters