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Description
The Fresh Air Valve Assembly is designed to connect between your freeze dryer's vacuum hose and vacuum pump. Unlike using the drain valve, which risks pulling water and contaminants into your chamber, this valve depressurizes th...
Reviews
5.0
2 ratings
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Demister and valve release
Loving the no oil smell anymore. Would like guidance on steps to release vacuum now that we have the extra valve.
L
Liz · November 24, 2025
Nice improvement
We much prefer this over using the drain valve to release vacuum