RPI Micrewtube Screw Cap Tube With Loop, Graduated, 1.5ml Free Standing, 500 Per Case

Micrewtube Tubes feature an O-ring seal screw cap and attachment loop. Loops remain attached to the tubes and prevent cross contamination. Tubes will withstand high speed centrifuging, autoclaving, boiling and freezer storage. Screw cap with O-ring seal provides superior sealing during sample processing. Uniform well thickness withstands 17,000xg forces. Graduated tubes have a printed marking area. Polypropylene tubes are available with screwed-on cap, pre-attached loop, natural color, and are sterile.