Nalgene® 2135-5302 Port Cap, Top Works Closure 53B, 2 ports (1/4" ID)

Nalgene® 2135-5302 Port Cap, Top Works Closure 53B, 2 ports (1/4" ID)

$386.20 $365.77
(You save $20.43)
Part Number:
Lead Time:
3-10 days
Free Shipping on most orders over $50*
Bulk Pricing:
Buy in bulk and save
port cap
Closure Style:
screw thread


Due to a dramatic reduction in supply, stock numbers cannot be guaranteed. All purchases will be followed by an order confirmation with estimated ship date and you will be notified if stock is unavailable. All orders for healthcare products placed after January 24, 2020 are non-cancellable and non-returnable. Thank you for your continued cooperation and partnership.

Create aseptic handling solutions for pharmaceutical, biotechnology and laboratory liquid transfer applications with Thermo Scientific™ Nalgene™ Top Works™ Flexible Systems for Nalgene Bottles, Carboys and Media. Modified closures included platinum-cured silicone stopper inserts and tubing. These leakproof systems offer more secure, aseptic handling of high-valued products compared to pouring, and they are available with various ports, tubing lengths and closure sizes.


  • Designed to mate with most Nalgene bottles and carboys
  • Leakproof† systems for secure, aseptic handing of high valued products compared to pouring
  • Includes long tubing lengths, both inside and outside the container to support intergration with most Nalgene bottles and carboys
  • Ready to accept additional fluid transfer components such as aseptic connectors and air vent filters

Ordering Information: One system per case.

Compatible with:

 GL45 closure system for Nalgene Rapid-Flow filter bottles with 45mm necks, along with Schott™, Corning™ and Wheaton™ media bottles. Additionally, 2135-5310 can be used with 140817, 2019-2000 and the Thermo Scientific™ Nunc™ Cell Factory™ System to create sterile, closed systems.

Recommended for: Aseptic handling of various fluids in pharmaceutical and biotechnology applications.

Note: These tests, using other liquids, may not yield the same results. To ensure safe usage, customers are advised to test Thermo Scientific Nalgene bottles and closures under conditions of their planned applications. Thermo Scientific Nalgene products are leakproof at ambient temperature and pressure when used with their Nalgene closures.


  • Certifications/Compliance: Meets requirements of USP Class VI current edition
  • Closure Size: 53 B
  • Description: 2 ports - 2 x 1/4 in. (6.35mm)
  • For Use With (Equipment): Nalgene bottles and carboys with 53B closures
  • Material: Polypropylene
  • Type: Closure

Customers Also Viewed

VersaCap® Screw Cap, 53B, Standard Closed Top Cap, pack/2
Part #: FX-205-0313-RLS


Product Reviews