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]>