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Old 04-12-2014, 11:39 PM
ericwbenson (Eric)
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ericwbenson is offline
 
Join Date: Sep 2009
Location: Adelaide, Australia
Posts: 209
Hi Greg,
Thanks for your experience, apparently it's 279$ extra. I didn't need anything like it on the Apogee either, but it had a double air/argon? spaced window to prevent dew from forming.

EB
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