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

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