Conical-Bottom Centrifuge Tubes, 50 mL; 25/Rack, 20 Racks/CS

Safely withstands temperatures down to -80 ?C|Disposable polypropylene tubes are autoclavable to 250 ?F (121 ?C)|Can be safely stored in freezers down to -112 ?F (-80 ?C)|Caps with recessed lid and sealing ring prevent leaking|Easy-to-read black graduations offer accurate reading to ±2%; the 15-mL tubes feature increments of 0.5 mL while the 50-mL tubes have increments of 2.5 mL. Frosted writing surface allows for permanent identification and labeling. Tubes are offered in either non-sterilized or sterilized versions, are nonpyrogenic, and certified RNase-, DNase- and DNA-free.

Available in cardboard racks or in resealable zip-top bags.|These tubes are sterilized with gamma irradiation and packaged in 25 tubes per cardboard rack for a total of 500 per case.