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We do not use crimped fittings which are prone to vacuum leaks
and overall
A dry screw vacuum pump is available upon request as an upgrade (starting at an additional $8
and products
Updated 5/5/2026
Fresh Air Valve Assembly Freeze Dryer We do not use crimpedDescription 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 the freeze dryer through the vacuum hose, better protecting your freeze dried food from unwanted moisture and reducing the possibility of bacteria backflow from the water. Enhance your freeze drying process with this
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