Axygen* Microtubes without Screw Cap

Molded from 99.9% pure virgin polypropylene and free of mineral fillers and heavy metals. Available in clear or amber. Patented alignment feature allows tubes to align with the centrifuge rotor for multiple applications, such as desalting. Ribs are designed for the AxyRack* which has 24 serrated holes for the ribs to fit into, offering single handed opening and closing. Tubes are certified RNase-, DNase- and endotoxin-free on a lot by lot basis. Max. RCF: 20,000 x g. Caps are sold separately.