Simport Sample Tubes with Internal Threads and Closures

Polypropylene sample tubes with internal threads are ideal for storing and transporting biological material. Withstands temperatures from -196° to 121°C. Round bottom tubes can be centrifuged up to 14,000 x g. Polypropylene screw caps (not included) ensure leakproof seal. Screw on with a single turn. Non-sterile.