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

Pre-assembled caps and septa are convenient and minimize contamination from handling.

Use these caps with standard 11mm chromatography vials. JG Finneran™ Crimp Caps feature an open top for filling and retrieving samples with a syringe.

Aluminum crimp closures provide a secure leak-resistant seal.

National Crimp Seals ensure sample security every time.

Headspace vials are available in clear or amber glass with a round or flat base, a crimp seal with a beveled or square edge finish, or with a screw-thread finish. Headspace vials, septum, and caps can be purchased in various quantities separately or together as convenience kits to fit your laboratory needs.

Aluminum crimp closures provide a secure leak-resistant seal.

Pressure release seals (Aluminum-PR) are designed to open when internal pressure exceeds 3.0±0.5bar.

Aluminum crimp closures provide a secure leak-resistant seal.

Aluminum crimp closures provide a secure leak-resistant seal.

Minimize the risk of contamination with quick, convenient Thermo Scientific™ National 20mm Crimp Seals with Septa.

Provide a secure leak-resistant seal.

Tear-out seals remove completely allowing content to pour from bottle. Wheaton™ Center Disc Tear-Our Aluminum Seals, Unlined are available in a wide range of sizes and colors.

Pre-assembled caps and septa are convenient and minimize contamination from handling.

Pre-assembled caps and septa are convenient and minimize contamination from handling.

Open top seals expose stopper for sample retrieval with a syringe.

Tear-out seals remove completely allowing content to pour from bottle. Wheaton™ Center Disc Tear-Our Aluminum Seals, Unlined are available in a wide range of sizes and colors.

Tear-off seals remove completely allowing content to pour from bottle. Wheaton™ Tear-Off Aluminum Seals, Unlined are available in a wide range of sizes and colors.

Preassembled seals save time and increase productivity

Aluminum crimp closures provide a secure leak-resistant seal.

Thermo Scientific™ National Headspace 20mm Unlined Crimp Seals are compatible with all headspace vials.

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

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.

Aluminum crimp closures provide a secure leak-resistant seal.

Allow for easy access to vial contents

Aluminum crimp closures provide a secure leak-resistant seal.

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

Unlined aluminum tear-off seal removes completely allowing content to pour from bottle. Seals come in a wide range of styles and sizes

Pre-assembled caps and septa are convenient and minimize contamination from handling.