Medical Tubing, Caps, Stoppers and More.

Begin Exploring WHK’s Products.


Ranging from TPE tubing to customized injection molded components, our products are fused with innovation to enhance performance for your critical fluid transfer needs.

Tubing, bottle cap and stoppers, as well as custom tube kits are offered by themselves or integrated into any number of assembly arrangements.

W-TPE® Biopharmaceutical Tubing

For decades, W-TPE® has been considered a standard material in biopharmaceutical processing. Our material is specifically formulated and tested to meet the rigorous demands of the biopharm industry. This versatile tubing is capable of handling a wide variety of applications including sensitive fluid transfer and peristaltic pumping.

Bottle Caps and Stoppers

Closure systems for bottles, carboys and flasks. We give you the ability to tailor the configuration to your exact needs. Our stoppers are designed to be fully compatible with the industry’s leading containers.

Caps and Stoppers

Custom Tube Kits

We offer tube set design and manufacturing services using a wide variety of components and materials. We produce high-quality, cost-effective parts delivered with short lead times. A well-designed tubeset helps you increase productivity and reduce operating costs.


  • ISO Class 7 cleanroom manufacturing
  • Wide variety of component and material of construction options
  • Parts delivered quickly
  • Sterilization options available including gamma irradiation.

Injection Molding

We are continually investing in our molding capabilities to ensure we evolve with the needs of the bioprocessing industry. We know how important it is to be a responsive supplier that can get you high-quality parts as quickly as possible. We maintain in-house design and tool building capabilities which means we can dramatically reduce the production lead time of your new parts. Where other suppliers will quote you project timelines in months, we can quote in weeks and sometimes even days.

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  • TPE TubingCap & Stopper