MTC Bio’s new DuoClick tubes feature a unique, patent-pending screw closure system. DuoClick tubes eliminate the excess force, splashing, and general frustration of traditional snap-cap culture tubes. The advanced cap design includes two distinct positions for aerobic and anaerobic culturing. Just rotate the cap to the first click to secure the cap in the aerobic position. Or, rotate it past the second click for a leakproof, airtight seal for anaerobic culturing.

• New patent-pending screw cap
• Aerobic culturing at first click
• Anaerobic after the second click
• Printed graduations
• Flat, markable screw-cap