Stoppers and Closures

Stoppers and Closures

Caps, septa, stoppers, and other closures in a range of sizes, colors, and material compositions that provide a leak-proof, spill-proof barrier for jars and bottles during storage and transportation. Compatible with a variety of bottle and jar types.
Read more Read less
1-15 of 27 Products

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. Loose septa may be used as replacement parts for Thermo Scientific VOA vials and bottles with unbonded septa. Fits the standard 24-414 open top cap.

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. The same high quality septa caps used on our Thermo Scientific VOA Vials, septa bottles and septa jars. Processed to meet EPA performance–based specifications for Volatile Organic Analysis.

Septum for AcroSeal™, teflon/black elastomer, size: 43 x 3 mm Thermo Scientific Chemicals

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...

Nalgene™ Narrow-Mouth and Wide-Mouth Bottle Replacement Closures

Fit Thermo Scientific™ Nalgene™ Narrow-Mouth and Wide-Mouth Bottle Replacement Closures onto Nalgene narrow-mouth and wide-mouth bottles.

Nalgene™ Polypropylene Pour Spout Thermo Scientific™

Enjoy easy one-handed liquid dispensing without leaving bottles completely open to the environment. Thermo Scientific™ Nalgene™ Polypropylene Pour Spout is made to fit all Nalgene bottles with 38-430 neck finish. Vented to allow smooth flow for easy liquid dispensing.

Filtration Hardware, Accessories, and Spare Parts Thermo Scientific™

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.

Septum for AcroSeal™, butyl rubber/teflon, size: 43 x 3 mm, Thermo Scientific Chemicals Thermo Scientific Chemicals

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...

PTFE-Lined Closed Caps Thermo Scientific™

Thermo Scientific™ PTFE-Lined Closed Caps are replacement caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials. The same high quality PTFE-lined caps used on our Thermo Scientific glass environmental sample containers.

Nalgene™ Polypropylene Fluid-Transfer Closure Thermo Scientific™

Perform fluid transfer in the lab or field with the 70mm Thermo Scientific™ Nalgene™ Polypropylene Fluid-Transfer Closure. Closures are compatible with Nalgene Mason Jars (Cat. No. 2115), 125 and 500mL Nalgene Straight-sided jars (Cat. Nos. 2116, 2117, 2118, 2119), sold separately.

Nalgene™ Colored Polypropylene Closures: Bulk Pack Thermo Scientific™

Eliminate spills with Thermo Scientific™ Nalgene™ Colored Polypropylene Closures. These one-piece, linerless closures fit Nalgene™ narrow-mouth 4mL bottles. They feature an integrally molded seal ring and a well-defined closure knurl that makes gripping and capping easy.

Nalgene™ Carboy Replacement Screw Closures and Gaskets Thermo Scientific™

Secure-fitting Thermo Scientific™ Nalgene™ Replacement Screw Closures and Gaskets for Nalgene Carboys provide leakproof† service

Nalgene™ Colored Polypropylene Closures with 20-415 Finish Thermo Scientific™

Ensure leakproof† performance with Thermo Scientific™ Nalgene™ colored closures — one piece and linerless with integrally molded seal ring. The opaque closures protect contents from UV light when used with opaque bottles.

Nalgene™ Septum Closures: Sterile, Bulk Pack, 38-430mm Thermo Scientific™

Combine the elastomeric sealing of silicone with nonreactive polytetrafluoroethylene reagent contact surfaces in Thermo Scientific™ Nalgene™ Septum Closures, for use with Nalgene™ Sterile PET & PETG media bottles.

Nalgene™ HDPE Closures: Sterile, Bulk Pack Thermo Scientific™

Seal PET/PETG square media bottles with Thermo Scientific™ Nalgene™ HDPE Closures, which provide a reliable and leakproof† seal. These reliable, high-density polyethylene closures are gamma irradiated to provide a 10-6 Sterility Assurance Level (SAL).

LDPE Foam-lined Polypropylene Caps for Bulk Separates Thermo Scientific™

Thermo Scientific™ LDPE Foam-lined Polypropylene White Caps are for general-purpose HDPE bulk separate containers. The same high quality caps used on our Thermo Scientific certified HDPE environmental sample containers. Bottles sold separately (013-series and 012-series).
Results per page
spinner