Stoppers

Stoppers, also known as bungs, are used to give an airtight seal to laboratory flasks and test tubes by fitting tightly inside a container's neck, preventing material from spilling out. Rubber stoppers are often sized with a stopper number or stopper size, using the stopper's top and bottom diameter dimensions. Sizing can vary among manufacturers. Stoppers are typically designed with a conical shape, but straight and flanged options are also available. Rubber stoppers are available in a solid design or with holes, also known as positions, present on the stopper's top. Positions are used to

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This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to...
Designed for use in a wide range of applications, Thermo Scientific™ Nalgene™ filtration hardware and accessories can be used in conjunction with our various lines of filtration devices.
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to...
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The Thermo Scientific HyPerforma Glass Bioreactors offer easy operation, rapid assembly, and are manufactured with the highest technology and design standards. These benchtop glass bioreactors are developed to ensure sterile processes and minimize lost batches.
Our Sterilin line of high-quality, single-use products strengthens our consumables offering for the microbiology, life science, and clinical laboratories., The autoclave bags are designed for contaminated waste disposal.
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Can I autoclave Nunc Biobanking and Cell Culture Cryogenic Tubes?
I used the SilverQuest Silver Staining kit and my stained gels are too dark. What went wrong?