C2231-W | MTC Bio Screw-cap microtubes, 2.0mL, with O-ring, , molded graduations, caps attached, sterile, individually wrapped, 500/cs

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