UV-filtering film

At the Cline library we have a large section of windows that shine
light right onto several book ranges.  These books, after only five
years, are showing quite a bit of fading.   I would like to place
some type of UV filtering film on thee windows.  Has anybody had any
experience with these films or could anyone give me a
recommendation.  Unfortunately, I am looking at a fairly large area.

Brad Cole
Special Collections
Cline Library
NAU
Flagstaff Arizona 86002

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                  Conservation DistList Instance 10:61
                 Distributed: Tuesday, January 7, 1997
                       Message Id: cdl-10-61-009
                                  ***