详细描述：
Screw Cap Assembled, Sterile, 10 Bags of 50 Tubes Brand: Olympus Plastics

Versatile and durable microtubes with preassembled leak-proof o-ring screw caps Constructed with super clear medical grade polypropylene Suitable from -196°C (vapor phase) to +121°C Can be centrifuged to over 20,000g 100µl graduation mark versions available for most sizes Certified RNase, DNase & DNA free Sterile versions are certified pyrogen-free This tube is self-standing, non-graduated, preassembled with caps on