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Charcoal Filter for Fume Hood



Radsafers,

We are trying to set up one of our fume hoods as an iodinization hood.
Currently it has a 24" by 24" by 2" prefilter and a 24" by 24" by 12"
HEPA filter.  We're looking for a charcoal filter that is better than
90% efficient to replace the HEPA filter.  I have only been able to find
a charcoal prefilter (about 25% efficient).  Does anyone know of a
supplier for this type of filter?  Thanks.

--
Johannes "Fritz" Strydom
Health Physicist
Office of Radiological Safety
Georgia Institute of Technology
(404) 894-3605  (404) 894-9325 Fax
fritz.strydom@ors.gatech.edu