Clear Seal™ screw cap microtubes are an all-purpose laboratory microcentrifuge line.

• Made of crystal clear polypropylene, with leakproof O-ring seal
• Tubes certified sterile, Rnase-, Dnase-, and pyrogen-free
• All tubes come conveniently in 20 resealable packs of 50 tubes

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 −90 to +121 °C. All ClearSeal™ screw cap microtubes are sterile, RNase-, DNase-, and pyrogen-free. They may be centrifuged up to 22000×g.