With O-Ring
Bag of 500 Caps/Unit
Brand: Olympus Plastics
Screw cap for Olympus brand 0.5ml-2.0ml screw cap tubes
Super secure, leak-proof o-ring seal
Available in a variety of colors or convenient assorted color pack
Autoclavable
Certified RNase, DNase & DNA free
Threads – easy ¾ turn
Temperature Range from -196°C to +121°C (not for immersion in liquid nitrogen)