The SynthwareTM Single Neck Reaction Flask with Glass Stopcock manufactured by Kemtech America Inc. comes with spring retention device to ensure smooth turning.
Specification
Material: Borosilicate glass Sterility: Non-sterile Packaging: Pack of 1 Joint: ST/NS 19/22 Capacity: 100 mL
Features
2 mm glass stopcock
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SynthwareTM Solvent Transfer/Storage Flask, 250 mL, Joint: ST/NS 24/40, Valve Size 0-8 mm, Kemtech America Inc.(CAT#: STEM-L-0458-LC)