Filtration Questions and Answers Save
One of three bulletin boards for discussing filtration problems, maintained by Spectrum Chromatography, Houston, TX.
http://www.filterchat.com/   

Filtration and Separation Save
Monthly newsletter and commercial resources for engineers, designers, consultants and end-users. Limited collection of technical articles from the Elsevier Science Group, Kidlington, Oxford, England.
http://www.filtsep.com/   

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