Active Safety exit signs
Nontoxic strontium oxide aluminate is an active ingredient. By contrast, while popular tritium exit signs can also help a business save on energy expenses, they are radioactive and require special disposal. Installation of Active Safety's signs can earn a building points toward certification with the program of the U.S. Green Building Council.
July 31, 2007 5:32 PM PDT
Photo by: Elsa Wenzel/CNET Networks
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