Centrifuge tubes with conical bottom are available in two sizes i.e 15 ml. & 50 ml. Molded in Polypropylene, these tubes are clear, strong & safe. These autoclavable tubes are provided with printed graduations on the outer surface. The built in seal ring in the cap makes these tubes absolutely leak-proof. These tubes can withstand forces upto 7500 x G & 12000 x G for 15 ml. & 50 ml. tubes respectively.