SureSeal™ sterile screw-cap microtubes come in a variety of sizes, cap configurations, graduation options, and now light-blocking amber. Made from ultra-clear polypropylene, these screw cap microtubes include assembled caps with silicone O-rings that assure a leakproof seal from -90°C to 121°C. All SureSeal™ screw cap microtubes are sterile, RNase, DNase, & pyrogen free and may be centrifuged at up to 22,000xg.
• Ultra-clear polypropylene
• Molded or non-graduated options
• Leak-proof O-ring seal
• Light-blocking amber available
• Sterile, RNase, DNase, Pyrogen free