Secure your samples with confidence using ClearSeal™ screw cap microcentrifuge tubes.

• Ultra-clear polypropylene
• Packaged in resealable bags of 50
• Leak-proof O-ring seal
• Sterile, RNase, DNase and pyrogen free

ClearSeal™ screw-cap microtubes come sterile, in a variety of sizes, cap configurations, graduation options, and even a loop-cap option for the 2.0 ml version. Made from ultra-clear polypropylene, these screw-cap microtubes include assembled caps with silicone O-rings that assure a leakproof seal from −86 to +121 °C. All ClearSeal™ screw cap microtubes are sterile, RNase, DNase and pyrogen free and can be centrifuged at up to 22000 ×g.