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Borosilicate Glass Penny Head Stopper ground glass 10/30 joint. Total length about 52mm.
Waterproof, moisture-proof film prevents sample evaporation, contamination; protects anhydrous mater...
High grade, medium wall rubber tubing for general laboratory use. Melting point 230°F (110°C). Ava...
Test tube clamps hold fast to test tubes for safe handling.
Stainless steel-plated, V-jaws, opening up to 1-7/8,prevent slippage of flasks, length 9"