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The word filter is a noun. Filter means (1) device that removes something from whatever passes through it, (2) an electrical device that alters the frequency spectrum of signals passing through it.
Filter is also a verb that means (1) pass through, (2) remove by passing through a filter, (3) run or flow slowly, as in drops or in an unsteady stream.
The following articles and web pages elaborate on the word filter.
- HEPA Filters
HEPA filters are designed to filter the air by trapping 99.9% of airborne particles, such as dust, pollen, and tobacco smoke. HEPA stands for High Efficiency Particulate Air (filter).
https://www.HEPAFilters.us/
- Lens Filters
A lens may be the most important part of a camera, because it forms and focuses photographic images. A filter, affixed in front of a camera lens, can help protect the lens from damage.
https://www.CameraShops.us/camera-filters.htm
- Water Filtration Equipment
Visit this water filtration equipment retailer directory to find water filtration equipment retailers in the USA. The photo on this web page depicts a blue, water treatment filter.
https://retail.regionaldirectory.us/water-filtration-equipment/
- Air Filters
Air filters help clean and purify the air around us. Learn about the different types of air filters and how they remove odors and airborne contaminants.
https://www.AirCleaners.us/air-filters.htm
- Air Purifiers
Air purifiers filter dust, smoke, pollen, pet dander, mold spores, and other airborne particulates in the air. Learn more about air purifiers and how they work.
https://www.AirCleaners.us/air-purifiers.htm
- Fixing a Dirt Bike
Regularly maintaining your dirt bike is important to keep it running smoothly. Learn about maintaining your dirt bike's oil, air filter, tires, wheels, brakes, carburetor, and more.
https://www.Dirt-Bike.us/fixing.htm
The following articles provide recent filter-related news.
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