Screw-Cap Microtubes
ScrewSeal™ screw-cap microtubes come sterile, 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 ScrewSeal™ 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