





🔬 Seal your samples with confidence and style!
PEKYBIO HPLC 9-425 Screw Thread Vial Blue Caps feature 9 mm polypropylene screw-thread design with red PTFE/white silicone septa, providing an evaporation-proof seal ideal for multiple injections and organic samples. Compatible with 1.5 to 2 mL vials, these 100-pack caps optimize lab efficiency and sample integrity.
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