US Plastic Corp. Thermo Scientific Nalgene Stopcock
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US Plastic Corp. Thermo Scientific Nalgene Stopcock
These stopcocks are vacuum-tight, yet cannot stick and will not freeze.
Features:
Polypropylene with low-friction, Teflon TFE plug
Stopcocks are vacuum tight
Will not stick or freeze
Plug bore 2mm & 4mm
No lubricant needed, so no lubricant contamination
Serrated tubulation for 1/4" to 5/16" tubing
Autoclavable