For catalog numbers in the following series: 70020xxxx, 71020xxxx, 70040xxxx, 71040xxxx, 72040xxxx, and 70080xxxx.These are 2.5L -50° C and -84° C, 4.5L -50° C, -84° C and -105° C, and 8L -50° C FreeZone Benchtop Freeze Dryers with Lyo-Works™ OS manufactured in August 2017 or later.
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