Karen Ackoff is advertising 2 Ottlite 13w florescent "U" bulbs, free for the asking over on the GNSI forums if you are able to use them. http://www.gnsi.org/forum/general-discussion/ott-lite-replacement-bulbs Britt Need to leave or subscribe to the Sciart-L listserv? Follow the instructions at http://citnews.unl.edu/presentmethods_lana/listserv/index.html