Guest guest Posted May 10, 2007 Report Share Posted May 10, 2007 I also noticed this page at the Filtera website has a lot of handy links to info for air filtration information, including National Association Filtration Association Filter Guide down near bottom of page: <http://www.filtera-b2b.com/businessfilters/resources.htm> 3M Healthy Home Brochure put together with aid of National Lung Association. Probably things most of us know by now but good to give to friends, if nothing else. Quote Link to comment Share on other sites More sharing options...
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