Check out these Water Filtration images:
Image by AJ Fischler
Jesse and Brian use the filter to refill our water supply.
Image by Loozrboy
Little gauge on the base of the signal pylon at the R.C. Harris water treatment plant in Toronto.
20080316-01 2 mL
Image by David J. Thomas
Water from within Blowing Cave filtered through a 0.45 micron membrane, and applied to plate count agar. Incubated for 5 days at 20 degrees C.