Filters may be installed in-line near the point-of-use (e.g. between the waterline and the dental instrument) to block the passage of microorganisms. Filters will have no effect on the development of biofilm in the waterlines, but will remove microorganisms as the water is delivered to the patient.
Bristled definition, one of the short, stiff, coarse hairs of certain animals, especially hogs, used extensively in making brushes. See more.
Brim. The horizontal part of a felt or straw hat. The brim may be turned up, turned down, or up in the back and down in the front. Hats with the brim up in the back and down in the front are called snap brims.