Reduce sample handling risks with state-of-the-art diffusion limiting technology

Markes patented SafeLok tubes* have the same sorbent capacity as standard glass and inert coated tubes but incorporate diffusion locking technology at either end. SafeLok tubes eliminate risk of post-sampling outgassing, making tubes safer to handle in the field. 

Click on SafeLok tubes for further information

For part numbers and pricing please contact your local Markes distributor or visit our on-line shop

Relevant technical support publications from Markes International can be automatically downloaded from this web site (registration required). Examples include: 

• Brochure - SafeLok Tubes
• TDTS 61- Diffusion locking technology 

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* Patent No: GB2337513