Shop All Caps & Closures for Vials, Tubes, & Jars

Nunc™ CryoTube™ Colored Caps (Thermo Scientific™)

Color-code your sample vials with colored replacement closures for Nunc internally-threaded CryoTube vials, featuring silicone gasket to provide the best seal.

Matrix™ SepraSeal and DuraSeal Capping Systems (Thermo Scientific™)

Accomodate a range of application and storage requirements. These flexible capping options allow automated piercing, visual identification and sterility preference.

9mm Autosampler Vial Screw Thread Caps (Thermo Scientific™)

Prevent septa push through and over- and under-tightening. With AVCS built into these 9mm screw caps you will get an optimal, consistent seal every time.

Nalgene™ PPCO Low-Profile Closures for Micro Packaging Vials: Nonsterile, Bulk Pack (Thermo Scientific™)

Quickly identify samples with Thermo Scientific™ Nalgene™ PPCO Low-Profile Micro Packaging Vial Closures, offered in a variety of colors.

11mm Autosampler Vial Crimp Caps (Thermo Scientific™)

Minimize contamination from handling with pre-assembled caps and septa; compatible with most HPLC and GC autosamplers.

Screw Cap Microcentrifuge Tube Caps (Thermo Scientific™)

Prevent leakage under demanding conditions. These screw-cap tube caps with o-rings are optimized for secure short-term storage in low temperatures.

Ultra Clear qPCR Caps, strips of 8 (Thermo Scientific™)

Thermo Scientific Ultra Clear qPCR Cap Strips of 8 have a highly polished flat surface, providing an optically clear window to deliver maximum and consistent signal transmission, critical for accurate qPCR results. The caps are molded from a specially formulated polypropylene that enhances signal detection by minimizing autofluorescense and maximizing transmission. The Ultra Clear qPCR Cap Strips are compatible with all Thermo Scientific PCR tube strips and 96-well PCR plates.

Features of Thermo Scientific Ultra Clear qPCR Cap Strips

• 8-cap strip
• Compatible with all Thermo Scientific 96-well PCR plates as well as standard and low profile tube strips
• Specially formulated ultra clear polypropylene
• Highly polished
• Flat cap design

Nalgene™ HDPE High Profile Closures with Color Coders for Micro Packaging Vials: Nonsterile (Thermo Scientific™)

Enable rapid identification by using these closures with color coders. Offered in a variety of colors, closures have no O-ring to fall out or contaminate contents.

PTFE/Rubber Laminated Discs (Thermo Scientific™)

For a highly inert and unreactive seal use Thermo Scientific™ PTFE/Rubber Laminated Discs.

10mm Autosampler Vial Screw Thread Caps (Thermo Scientific™)

10mm Wide Opening Screw Caps and Septa feature a 10-425 thread finish and are available in an assortment of styles to match your application needs.

8mm Autosampler Vial Screw Thread Caps (Thermo Scientific™)

Available in an variety of styles to match your application. Pre-assembled caps and septa minimize contamination.

Matrix™ ScrewTop Tube Caps, Cap Trays and Cap Inserts (Thermo Scientific™)

Simplify sample storage with these color-coded caps and inserts, available racked in trays or in bulk to suit a variety of applications.

Nalgene™ PPCO High Profile Closures with Color Coders for Micro Packaging Vials: Nonsterile (Thermo Scientific™)

Reduce the risk of contaminating contents with Thermo Scientific™ Nalgene™ PPCO High Profile Closures with Color Coders for Micro Packaging Vials.

11mm Snap Top Caps - Routine Range (Thermo Scientific™)

Use routine snap caps for your optimum high throughput chromatographic analysis.

13mm Autosampler Vial Screw Thread Caps (Thermo Scientific™)

13mm Screw Thread Caps feature a 13-425 thread finish. Available in an assortment of styles, pre-assembled caps and septa minimize contamination.

KingFisher™ mL Food Protection Purification System Tube Rack (Applied Biosystems™)

Tube-sample rack, designed of use with the KingFisher mL Food Protection Purification System. The Tube Rack contains fifteen separate sample tube slots. Tubes for sample processing on the KingFisher mL Food Protection Purification System available separately (Cat. No. 159-51).

Nalgene™ PPCO High Profile Closures with Color Coders for Micro Packaging Vials: Sterile, Bulk Pack (Thermo Scientific™)

Reduce the risk of contaminating contents using Thermo Scientific™ Nalgene™ PPCO High Profile Closures with Color Coders for Micro Packaging Vials.

13mm Autosampler Vial Septa (Thermo Scientific™)

13mm Septa for use with threaded caps Snap/Crimp Caps are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE.

Aluminum Crimp Seals with Prefitted Septa for 12 x 32mm Vials (Thermo Scientific™)

You can count on a secure, leak-resistant seal with Thermo Scientific™ National Aluminum Crimp Seals.

11mm Autosampler Snap-It Caps (Thermo Scientific™)

11mm Wide Opening Snap-It Caps and Septa are easy to apply and easy to remove and fully compatible with all Snap-It vials.

10mm Autosampler Vial Septa (Thermo Scientific™)

Thermo Scientific™ National Target 10mm Septa are designed for use with 10-425 threaded caps.

8mm Autosampler Vial Crimp Caps (Thermo Scientific™)

8mm Crimp Top Closures provide a leak-resistant seal, feature 4mm openings and are available with a variety of septa materials with and without liners.

11mm Crimp Top Caps - Routine Range (Thermo Scientific™)

Use these 11mm Crimp Top Caps as closures for Routine range 11mm Glass Crimp Top Vials in your optimum high throughput HPLC and GC analysis.

Nalgene™ PPCO Amber High Profile Closures with Color Coders for Micro Packaging Vials: Sterile, Bulk Pack (Thermo Scientific™)

Quickly identify samples using these high profile closures. Offered sterile in a variety of colors, these closures have no O-ring to fall out or contaminate contents.

Nalgene™ Continuous Thread Lined Closures for Serum Vials: Sterile, Bulk Pack (Thermo Scientific™)

Eliminate the need for a rubber stopper with the safe-sealing solution of Thermo Scientific™ Nalgene™ Continuous Thread Lined Closures for Serum Vials.

PTFE-Lined Closed Caps (Thermo Scientific™)

PTFE-Lined Closed Caps are replacement caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials.

Nalgene™ Amber PPCO High Profile Closures with Color Coders for Micro Packaging Vials: Nonsterile (Thermo Scientific™)

Identify samples quickly. These threaded, high-profile closures are noncytotoxic and nonpyrogenic, and eliminate risky O-rings that might fall out or contaminate contents.

Nalgene™ Sealing Caps for Oak Ridge Centrifuge Tubes (Thermo Scientific™)

Ensure leakproof† service of Thermo Scientific™ Nalgene™ centrifuge bottles at their recommended maximum rated speeds by using these sealing caps.

I-Chem™ Open-Top Septa Caps, 24-414mm, bonded septa, bulk (Thermo Scientific™)

Thermo Scientific™ Septa Caps include a bonded-in 0.045 in. thick septa.

Nalgene™ PPCO Low-Profile Closures for Micro Packaging Vials: Sterile, Bulk Pack (Thermo Scientific™)

Identify samples quickly using Thermo Scientific™ Nalgene™ PPCO Low-Profile Micro Packaging Vial Closures, offered in a variety of colors.

8mm Autosampler Vial Septa (Thermo Scientific™)

Septa for 8-425 Screw Thread Caps are constructed of PTFE, PTFE/rubber, or PTFE/silicone to suit a variety of applications.

Nalgene™ PPCO Micro Packaging Vial Closures for 4.5mL Vials: Sterile, Bulk Pack (Thermo Scientific™)

Quickly identify samples using colored closures offered in green, white or natural, specifically designed for the 4.5mL micro packaging vial.

Nalgene™ HDPE High Profile Closures with Color Coders for Micro Packaging Vials: Sterile, Bulk Pack (Thermo Scientific™)

Enable rapid identification by using these closures with color coders. Offered in a variety of colors, closures have no O-ring to fall out or contaminate contents.

Domed PCR Caps, strips of 8 (Thermo Scientific™)

The Thermo Scientific Domed Caps, Strips of 8, are compatible with 96-well PCR plates and standard and low profile strip tubes.

Features of Thermo Scientific Domed Caps

• Suitable for use with all 96-well PCR plates as well as standard and low profile strip tubes
• 10 packs of 12

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PTFE/Silicone Discs (Thermo Scientific™)

Combine the inertness of a PTFE coating with the resealability of silicone Thermo Scientific™ PTFE/Silicone Discs.

Nalgene™ Friction-Fit Polypropylene Closures for Plastic Centrifuge Tubes (Thermo Scientific™)

Easily remove Thermo Scientific™ Nalgene™ Friction-Fit Polypropylene Closures for Plastic Centrifuge Tubes from the centrifuge with a convenient pull tab.

9mm Autosampler Vial Septa (Thermo Scientific™)

9mm Septa are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE to suit a variety of applications.

13mm Autosampler Vial Crimp Caps (Thermo Scientific™)

14 mm Snap/Crimp Caps and Septa are available in an assortment of materials. Pre-assembled caps and septa minimize contamination from handling.

9mm Screw Thread Caps - Routine Range (Thermo Scientific™)

Use Thermo Scientific™ 9mm Screw Thread Caps as closures for our 9mm Glass Screw Top Vials - Routine range.

Capitol Vial Universal Test Tube Plug Cap (Thermo Scientific™)

The Thermo Scientific™ Capitol Vial Universal Test Tube Plug Cap fits tubes with 12mm to 16mm diameter.

I-Chem™ Loose Septa for 24-414 Open Top Caps (Thermo Scientific™)

Thermo Scientific™ Loose Septa are replacement septa for Thermo Scientific VOA vials and septa bottles with 24-414 open top caps.

Nalgene™ Lined HDPE Serum Vial Closure for Continuous-Thread Vials: Nonsterile (Thermo Scientific™)

Eliminate the need for a rubber stopper, yet maintain a leakproof seal with these lined, HDPE serum vial closures, for use with continuous thread PETG serum vials.

Aluminum 20mm Crimp Seals (Thermo Scientific™)

Thermo Scientific™ Aluminum Crimp Seals, when turned, allow easy removal of septum.

Nalgene™ Sealing Cap Assemblies (Thermo Scientific™)

Process tubes at their highest rated speed level (10,000 x g or greater) without leakage, even when full with Thermo Scientific™ Nalgene™ Sealing Cap Assemblies.

Chromacol Economy Septa for GC Instruments, 9mm economy GC septa (Thermo Scientific™)

Thermo Scientific™ Chromacol Economy Septa withstand temperatures up to 250°C.

Microtiter Tube Plug Strip (Thermo Scientific™)

Seal 1.2mL microtiter tubes tightly for storage using these polyethylene plug strips.

Nunc™ Cryobank and Bank-It™ Replacement Caps (Thermo Scientific™)

Ensure contamination-free cap replacement. Closures are supplied racked for manual or automated replacement.

Sterilin™ Silicone Rubber Discs (Thermo Scientific™)

Reduce opportunity for leakage in caps, injection ports and other applications. Translucent silicone material provides excellent performance over a wide temperature range.

Abgene™ Multisip™ Plugs (Thermo Scientific™)

Thermo Scientific Abgene Multisip Plugs complement the innovative line of Thermo Scientific storage tubes.

Samco™ Tube Closures (Thermo Scientific™)

Depend on the reliable performance of these closures, available as two-position snap caps and universal caps.

Nalgene™ Mason Jar Replacement Closures (Thermo Scientific™)

Fit these replacement closures onto Thermo Scientific™ Nalgene™ Mason Jars.

Domed PCR Caps, strips of 12 (Thermo Scientific™)

Thermo Scientific Domed PCR Cap, Strips of 12 are compatible with 96-well PCR plates and standard and low profile strip tubes. The 12 strips have large end tabs for easy strip removal.

Features of Thermo Scientific Domed PCR Cap Strips

• Suitable for use with all 96-well PCR plates as well as standard and low profile strip tubes
• Large end tabs for strip removal (12 strips only)
• 10 packs of 8

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MicroAmp™ 8-Cap Strip, clear (Applied Biosystems™)

MicroAmp® Cap Strips are designed to fit on MicroAmp® reaction tubes, tube strips, and 96-well plates. They are available in 8-cap and 12-cap strips in clear or an assorted set of red, orange, blue, and green. They have a domed profile and are suitable for end-point PCR. For real-time PCR applications, please see our MicroAmp® Optical 8-Cap Strips (cat. no. 4323032), which have a flat-top profile. Attach the caps using the MicroAmp® Cap Installing Tool.

Features:

• Will not interfere with sample reading
• Provide tight seal to minimize evaporation
• Are easy to apply and remove

Minimize Evaporation
Use MicroAmp® Caps Strips to seal the tubes containing your precious samples. This will reduce the possibility of contamination among sample wells and help ensure reliable results.

Easy to Use
Use the MicroAmp® Cap Installing Tool to push the caps down and form a tight seal. When ready, just peel away the caps using the tabs at the end.

Colored for Organization
These caps are available in different colors to help you keep track of your tubes during assay preparation.

Closures with Prefitted Septa for 13mm Crimp/Snap-Ring LoVials™ (Thermo Scientific™)

Thermo Scientific™ National Closures with Prefitted Septa are available in easy-to-apply Kim-Snap or standard aluminum variety to suit your application needs.

Large Volume RNA Prep Filter (Invitrogen™)

These Large Volume RNA Prep Filters can be used during RNA sample preparation from large volumes of blood collected in Tempus™ Blood RNA Tubes.

For Research Use Only. Not for use in diagnostics procedures.

Septa for 0.5 mL sample tubes (for the 310 Genetic Analyzer) (Applied Biosystems™)

These are septa covers for 0.5 ml sample tubes, for use with the 310 Genetic Analyzer.

Use with: 1.0 mL Glass Syringe, 310 Genetic Analyzer Capillary (47 cm, 36 cm wtr), 310 Running Buffer (10X), BigDye® Terminator v1.1 Cycle Sequencing Kit, GeneScan™ 500 ROX™ Size Standard, Genetic Analyzer Sample Tubes, 0.5 ml, Hi-Di™ Formamide, MicroAmp® Reaction Tube with Cap (0.2 ml), POP-4™ Polymer for the 310 Genetic Analyzer, POP-6™ Polymer for the 310 Genetic Analyzer, Quantifiler® Human DNA Quantification Kit.

For Research Use Only. Not intended for human or animal therapeutic or diagnostic use.

Open-Top Screw Caps (Thermo Scientific™)

Thermo Scientific™ Open-Top Screw Caps provide an inert, airtight seal and direct puncture-access to sample with a syringe needle.

In-Line Caps for 1.1 mL Microtube System (Thermo Scientific™)

These 1.1 mL Microtube In-Line Caps are for use with 1.1 mL Microtubes

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Septa for 3500/3500xL Genetic Analyzers, 8 strip (Applied Biosystems™)

These Septa for 8-strips were designed and validated for use with the 3500 series Genetic Analyzers.

For Research Use Only. Not for use in diagnostics procedures.

Assembled Target™ 10-425 Caps and Septa (Thermo Scientific™)

Minimize contamination from handling with convenient Thermo Scientific™ National Assembled Target 10-425 Caps and Septa.