Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.

Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.


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Supplier: Globe Scientific
Description: These polyethylene plug caps are available in a selection of colors to facilitate sample identification.

Supplier: Globe Scientific
Description: These polyethylene flanged plug caps provide exceptional leak-resistance in 17 mm test tubes and centrifuge tubes.

Supplier: Simport Scientific
Description: Dual position caps are suitable for use in both aerobic and anaerobic procedures.
Catalog Number: (30620-274)
Supplier: Dynalon
Description: Cuvette caps, polyethylene dust covers fit most standard cuvettes.


Supplier: SARSTEDT INC
Description: High-quality, safe, and robust containers and caps are essential for mixing, processing, and storing samples. As one of the world’s largest manufacturers of tubes and storage containers, SARSTEDT offers the right product for every laboratory and analytical requirement.

New Product

Supplier: Chemglass
Description: Strainer Cap Only for FlowTubes, with 35um Nylon Mesh, Sterile, designed to assist in cell sorting/straining applications

Supplier: Globe Scientific
Description: These polyethylene plug caps are available in a selection of colors to facilitate sample identification.

Supplier: Simport Scientific
Description: Caps made of PE feature a long skirt and a super-fast thread design allowing them to be removed or sealed with a single turn. Caps are designed with flexible sealing lip which provides leakproof seal.

Supplier: SARSTEDT INC
Description: SARSTEDT offers sample transport systems and secondary containers for a wide variety of transport requirements.

New Product

Supplier: Chemglass
Description: Thread Size: 28-400; Liner Type: fluoropolymer resin. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.

Small Business Enterprise

Supplier: SARSTEDT INC
Description: High-quality, safe, and robust containers and caps are essential for mixing, processing, and storing samples. As one of the world’s largest manufacturers of tubes and storage containers, SARSTEDT offers the right product for every laboratory and analytical requirement.

New Product

Catalog Number: (490003-558)
Supplier: GeneMate
Description: Secure evaporation-resistant seal for strip tubes. Ideal for qPCR (real-time PCR).


Supplier: DWK Life Sciences (KIMBLE)
Description: Phenolic cap material and cemented-in rubber liner are resistant to the effects of repeated autoclaving
Catalog Number: (10014-254)
Supplier: Globe Scientific
Description: This cap is specifically designed for capping plain top 15 mL centrifuge tubes


Supplier: Simport Scientific
Description: Multiple use universal caps.

Supplier: Globe Scientific
Description: Polyethylene flanged plug caps provide exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes

Small Business Enterprise Minority or Woman-Owned Business Enterprise

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
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* Please note if your account is within the State of California two of these pieces of identification will be required.
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This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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