ClearSeal™ screw-cap microtubes come sterile, in a variety of sizes, cap configurations, graduation options, and even a loop-cap option for the 2.0mL version. Made from ultra-clear polypropylene, these screw-cap microtubes include assembled caps with silicone O-rings that assure a leakproof seal from -86°C to +121°C. All ClearSeal™ screw cap microtubes are sterile, RNase, DNase, & pyrogen free and may be centrifuged at up to 22,000×g*.

By popular demand for researchers, as well as diagnostic / reagent packaging applications, MTC’s O-ring screw caps are now available in single color packs of 1000. Order now in blue, green, orange, red, yellow, or natural color.

• Fits 2.0ml tubes (MTCC3172)
• Ultra-Clear Polypropylene
• Non-sterile
• Assorted colors: red, blue, green, yellow, orange