Tube Caps and Closures

Plugs and caps of various material compositions, sizes, colors, and closure types to fit a wide range of tube types; may be sterile, non-sterile, and/or autoclavable; may possess leak-preventing features including O-rings and cap liners.

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946 – 960 of 1,059 results

946

Alkali Scientific CellPro™ Screw Cap Culture Tubes with Phenolic Caps and White Marking Area, Flat Bottom, PTFE (Teflon) Faced Liner, 34mL, 20x150mm, 100/Pk

CellPro™ Screw Cap Culture Tubes are designed for dependable sample handling, storage, and culturing across microbiology, clinical diagnostics, and laboratory research applications. Manufactured from high quality laboratory glass, these tubes are equipped with durable phenolic screw caps that provide a secure, leak resistant seal while tolerating repeated sterilization cycles and routine handling. The flat bottom design allows tubes to stand upright on laboratory benches and work surfaces without requiring additional racks, improving stability during filling, labeling, and storage. An integrated white marking area enables clear sample identification and traceability, helping laboratories maintain organized workflows. These culture tubes are compatible with standard laboratory racks and accessories and are suitable for culturing, reagent storage, and sample preparation tasks. Each tube includes a PTFE (Teflon) faced liner to provide excellent chemical resistance and reliable s