Does anyone know how long UV plexi lasts - is it indefinitely - or a range of years? Our museum is approaching 10 years old and we want to know if the UV plexi cases made then are still doing their job? Thanks! Lisa Moellering, C.A. Curator of Collections/Registrar Holocaust Museum Houston 5401 Caroline Street Houston, Texas 77004 713.942.8000 x110 713.942.7953 (fax) [log in to unmask] http://www.hmh.org/ ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).