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.

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.

Filtration Hardware, Accessories, and Spare Parts

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.

Nalgene™ Colored Polypropylene Closures with 28-415 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.

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.

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).

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™ Closures for Dropper Bottles: Bulk Pack Thermo Scientific™

Order Thermo Scientific™ Nalgene™ Closures for Dropper Bottles to complete the Nalgene Dropper Bottle System. Closures fit dropper bottles Cat. Nos. 312750 and 31275, and are available in multiple colors to help identify reagents.

Nalgene™ Autoclavable Septum Closure, Autoclavable, 38-430 size Thermo Scientific™

Enable aseptic injection of reagent or sample withdrawal without compromising sterility or integrity of contents with Thermo Scientific™ Nalgene™ Autoclavable Septum Closure, suitable for use with any bottle or container with 38-430 neck, including Nalgene culture vessels.

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.

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™ 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.

Heat-Shrink Bands for Nalgene™ PETG Media Bottles Thermo Scientific™

Ensure the integrity of bottle contents with Thermo Scientific™ Heat-Shrink Bands for Thermo Scientific™ Nalgene™ PETG Media Bottles. Simply apply the recommended application torque for Thermo Scientific Nalgene closures and slide the heat-shrink band over the closure and bottle neck.

Sorvall™ High Performance Aluminum Cap for 1L Centrifuge Bottle Thermo Scientific™

Achieve performance up to 20,584 x g with the Thermo Scientific™ Sorvall™ high performance aluminum cap for 1-liter centrifuge bottles, designed for superspeed and large capacity centrifuges. This high-strength aluminum cap enhances bottle support and improves chemical resistance to Phenol solutions...

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...
Results per page