What is a Dust Filter?

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  • Written By: Sherry Holetzky
  • Edited By: Bronwyn Harris
  • Last Modified Date: 10 November 2019
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Sometimes referred to as a dust collector, a dust filter is designed to remove particles from the air. For homes prone to mold or families who suffer from allergies, asthma, or other respiratory concerns, a dust filter can be invaluable. In some cases, it is a medical necessity. This may prove true in an office setting as well, and employers are becoming more aware of the importance of air quality.

While some designs are used in homes and offices, a dust filter is frequently used in an industrial setting. Such a filter may remove more than just dust, further allowing for cleaner air. Obviously, cleaner air makes the environment safer for employees. However, it also helps protect equipment and products, thus dust filters play an important role in many commercial settings.

Dust control is important, yet a dust filter can do far more, such as controlling not only typical dust and other particulates but also fumes, vapors, and other pollutants. Even some chemicals can be contained by dust filters, if designed to do so. Filtering odors is certainly a plus. Aside from collecting the smallest pollutants, a dust filter may also be used to filter somewhat larger particles, such as wood or metal chips, sawdust, and dust from processing metals.


A dust filter may be automatic or manual, and can be purchased in a stationary or portable model. A portable unit can be used in many different environments. Portable units are often designed with versatility in mind, keeping size small, and functionality and the ability to maneuver, simple. A portable dust filter will often utilize a design that helps to limit noise as well.

For larger or more difficult to filter areas, a stationary unit may be required. A stationary dust filter may require installation, and perhaps maintenance, by a professional. Indoor air quality training may be available from the company providing the unit as part of the package. Ask about custom made or sized-to-fit dust filters.

A cost-effective dust filter system will generally include a filter that can be cleaned on a regular basis so it can be re-used instead of requiring the filter to be replaced repeatedly. Filters should be simple to remove, clean, and put back in place, in order to eliminate extra costs as well as limiting downtime. Some designs also use a “pre-filter,” which removes a good deal of debris before air even reaches the primary filter.


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