We Know Tubing. We're WHK BioSystems. We used to do business as Consolidated Polymer Technologies, Inc. (CPT)*. We developed the C-Flex® tubing line* into one of the most recognized names in TPE single-use biopharmaceutical tubing until we sold CPT and the C-Flex® brand* in 2007. We're back, and we're taking TPE Class VI biopharm tubing to the next level.

We're FDA registered and ISO 13485 Certified.  We offer you our signature product, TPE Single-Use Class VI Tubing, as well as:      

  • Caps, stoppers and connectors
  • Clean room assembly of single-use manifolds
  • Leak detection, pressure testing & sterilization
  • Inventory management and delivery  
  • Product design services
  • Validated plastic injection molding & overmolding 
  • Mixing & blending services
  • RF welding, laser cutting & engraving   

We also offer our LiteSure™ inspection light pads that make quality assurance a breeze.

Our 2,400 square foot, ISO Class 7 (Class 10,000) Clean Room in Clearwater, Florida, is equipped to take on your most demanding challenges. Our experienced Quality Manager has an encyclopedic knowledge of regulatory compliance and validation to help guide you through the quagmire of bureaucratic "red tape." 

Contact us and let us assist you with your biopharmaceutical needs at 855-WHK-BIO1 (855-945-2461) or 727-209-8400 or E-Mail Us Here.

request a free tubing sample

*C-Flex® is a federally registered trademark of Saint-Gobain Performance Plastics Corp. (SGPPC). The tradenames Consolidated Polymer Technologies, Inc. and CPT are owned by SGPPC.  WHK BioSystems, LLC is not endorsed, sponsored or affiliated with SGPPC.


rolling inspection light tables

Our TPE Single-Use Class VI Tubing is Clearly Superior at a Great Price!

Whether you need TPE tubing for testing biopharm products, single-use assemblies, manifolds, peristaltic pumps, research, or general purpose lab uses, we've got you covered.  Our "Water-Clear" TPE Class VI tubing is Clearly Superior at a Great Price. A full validation package is available on request, so converting to our Class VI tubing is a breeze!  More Info...