Pleated Air Filters

Written by Norene Anderson
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Pleated air filters come in a variety of styles and purposes. Some are designed to remove odors with the use of carbon while others have a MERV rating from ASHRAE defining the realistic expectations of performance by the filter. The very design of a pleated filter makes it a death trap for dust and other particles that are floating around in the air.

The pleating of the panel makes it more difficult for pollutants to fly through with the air. The particles are unable to maneuver around and will be trapped. Pleated air filters can hold up to 200 grams of dust, depending on the thickness of the filter. It is vital for the filter to be changed according to the manufacturer's directions to keep the air flowing freely.

More about Pleated Air Filters

When buying pleated air filters, look at the quality of the design. Make sure it is a filter with consistency in the pleat arrangement and that the media is properly bonded to the frame. If the filter is not designed with a strong media that will hold it in place, it can reduce the efficiency and durability of the filter and the air stream. An inefficient filter can do harm to your heating and cooling unit by placing strain on the system to process the air.

It is easy to see how pleated filters can easily trap particles in the air as it passes through the filter. The surface area is much greater than that of other types of filters. The accordion pleat design makes it possible to squeeze a larger amount of filtration into the same amount of space as other filters. The true test of the amount of pollutants susceptible to entrapment is the size of the pores. The filters with the tiniest pores will catch more particles. It can put a strain on your system, especially if the filters are not changed frequently.


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