filtration

Found 2 Results for filtration.

Showing 1 to 2.

1. Safety And Special Interest
If only selected units want unsoftened cold water, it would be more economical to have an under-the-sink filtration system installed.
http://www.fun-home-projects.com/home_ownership/​questions_and_answers/​safety_and_special_interest.html

2. Air Purifiers
Sometimes the processing is done by chemicals, sometimes by filtration, and sometimes by subjecting the air to ultraviolet rays or high-voltage dc.
http://www.fun-home-projects.com/electrical_projects/​repairs/​air_purifiers.html

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