Heidi: Our U.V. Filters were shipped from Un. Products on July 14, 1988 [ we still have the original tube they came in with two, unused, filter in it] and have been in place ever since. They have outlived many light bulbs! Hope this information helps. Leigh Leigh C. Eckmair, Archivist The Local History Collection THE GILBERTSVILLE FREE LIBRARY e-mail:[log in to unmask] http://www.gilbertsville.com/library.htm ----- Original Message ----- From: "Heidi Dressler" <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, December 12, 2001 5:56 PM Subject: UV light filters > Hello, > > Can anyone tell me what the average lifespan of a UV filter sleeve for a > fluorescent light bulb is? (And for bonus points, why they expire, if they do.) > > Thank you, > > Heidi Dressler > Local History Librarian > Wichita Public Library A posting from the Archives & Archivists LISTSERV List! To subscribe or unsubscribe, send e-mail to [log in to unmask] In body of message: SUB ARCHIVES firstname lastname *or*: UNSUB ARCHIVES To post a message, send e-mail to [log in to unmask] Or to do *anything* (and enjoy doing it!), use the web interface at http://listserv.muohio.edu/archives/archives.html Problems? Send e-mail to Robert F Schmidt <[log in to unmask]>