Stoppers and Closures

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.

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...

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.

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

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.

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).

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.

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...

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.

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.

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

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).

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...

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.

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.