And the wetlands serve as a natural filtration system for rainwater running off the buildings.
The urban homesteaders who have moved there want it to remain an eccentric hideaway; artists want to preserve its postapocalyptic look; a civic group, the Gowanus Canal Conservancy, proposes to create a public park atop an innovative filtration system that acts like an artificial wetland.
The biggest bureaucratic obstacles were reserved for the building's most innovative ideas — such as its greywater filtration system, which funnels sink and shower drain water through a constructed wetland and into the soil for reuse.
Hirst had devised a filtration system to remove the fumes.
Despite a filtration system, smoke permeated the air.
That decision means that the city will not immediately have to build a costly filtration system.
"It has a filtration system to handle anything that's one micron or bigger.
4. Purejet is a water filtration system and faucet in one.
Now there is a pool delay, involving power to the filtration system.
You need the filtration system of being kept from your work.
Mr. Wilber's U.S.O.C. laboratory here helped design a mask featuring an activated carbon filtration system.
