Shop All Bottle Caps & Accessories

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

LDPE-Lined White Caps are for general-purpose HDPE bulk separate containers.

Nalgene™ LDPE Safety Bottle Carriers (Thermo Scientific™)

Safely and easily hold 2.5L and 4L chemical bottles, with or without finger loops, using Thermo Scientific™ Nalgene™ LDPE Safety Bottle Carriers.

Nalgene™ Narrow-Mouth and Wide-Mouth Bottle Replacement Closures (Thermo Scientific™)

Fit these replacement closures onto Thermo Scientific™ Nalgene™ narrow-mouth and wide-mouth bottles.

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

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring.

Nalgene™ Centrifuge Bottle Sealing Cap Assembly (Thermo Scientific™)

Provide an added level of reliability when running at maximum speeds with the Nalgene Centrifuge Bottle Sealing Cap Assembly, for use with selected 250mL centrifuge bottles.

Nalgene™ Colored Polypropylene Closures with 24-415 Finish (Thermo Scientific™)

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring.

Nalgene™ Sterile Polypropylene Biotainer Replacement Closures (Thermo Scientific™)

Protect the contents in your Thermo Scientific™ Biotainer™ bottles and carboys.

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

Seal PET/PETG square media bottles with Use Thermo Scientific™ Nalgene™ HDPE Closures, which provide a reliable and leakproof† seal.

Nalgene™ Utility Carriers (Thermo Scientific™)

Carry glassware, samples or tools with Thermo Scientific™ Nalgene™ Utility Carriers, featuring resilient construction with molded-in center divider and handle.

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

Achieve performance up to 20,584 x g with this high performance aluminum cap for 1-liter centrifuge bottles, designed for superspeed and large capacity centrifuges.

Nalgene™ Polypropylene Pour Spout (Thermo Scientific™)

Enjoy easy one-handed liquid dispensing without leaving bottles completely open to the environment. Vented to allow smooth flow for easy liquid dispensing.

Nalgene™ Colored Polypropylene Closures with 28-415 Finish (Thermo Scientific™)

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring.

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

Ensure the integrity of bottle contents with these tamper-resistant seals. Heat-shrink bands are gamma stable and include a perforated “tear strip” feature for easy removal.

Nalgene™ Colored Polypropylene Closures with 38-430 Finish (Thermo Scientific™)

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring.

Nalgene™ 500mL LLDPE Safety Bottle Carrier (Thermo Scientific™)

Secure bottles and reduce chance of bumping, cracking or chipping with this safety bottle carrier.