Numerous tube & cap options to form an ideal combination for specific applications, assembled for your convenience. Manufactured from high-clarity, ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI). Suitable for a wide range of temperatures—from -196°C…

5mL Posi-Lock™ Graduated Microcentrifuge tubes feature large, easy-to-open/close cap with the assurance of an audible "click" to know that your sample is secure. Boilproof Fits all standard 5.0mL centrifuge rotors, racks, and storage boxes. Designed to fit all rotors,…