Centrifuge tubes with conical bottoms, available in two sizes: 15 ml and 50 ml. Made from Polypropylene, these tubes are clear, robust, and secure. They feature printed graduations on the outer surface and a built-in seal ring in the cap, ensuring complete leakproof protection. These autoclavable tubes can withstand forces up to 7500xG for 15 ml tubes and 12000xG for 50 ml tubes.