The Prohelix lock top Microtubes provide a secure double cap lock.  The Prohelix MCT tubes are guaranteed to stay closed, even during boiling or autoclaving. The Prohelix MCT also has a “half lock” seal which provides a flexible closure position when dispensing reagents.

• Size – 1.5 mL
• Color – Clear
• Guaranteed to stay closed
• Lock top ensures seal, yet is still easy to open
• Withstands up to 20,000 RCF
• Certified RNase, DNase, protease and endotoxin-free
• Sold as 5,000/Case