Found 3 Results for filtering.Showing 1 to 3.
1.
Landscaping
Literally too, they add warmth in winter by
filtering cold northeast winds. The conifers, chosen carefully, form a protection for the less hardy of the broad leaved evergreens.
http://www.fun-home-projects.com/hobbies/gardening/landscaping/
2.
Cleaning Solutions
Some commercial models feature a spray head and a
filtering system.
.
http://www.fun-home-projects.com/electrical_projects/tools/cleaning_solutions.html
3.
Outside Pollution
You'll have to work at
filtering the incoming air (to remove particulates), or restrict ventilation during periods of peak outdoor pollution (shutting vents during rush hour traffic, for example).
http://www.fun-home-projects.com/home_ownership/safety_and_special_interest/indoor_air_quality/outside_pollution.html