The 20L Carboy with stopcock is autoclavable PP heavy-duty construction with stylish rounded octagonal shape for increased rigidity when full. It has an offset neck for easier filling and pouring. Integral, comfortable blow molded handles for ease of carrying are end-sealed to prevent contamination. Heavy-duty closure is compatible with other leading brands. The carboy features a durable and leak-proof, heavy-duty stopcock with boss fitting for extra strength. Please Note: The silicone seal has a tough time with HCL. Stopcock features removable tube fitting for added convenience. Graduations are molded into the front of the product allowing easy reading even when several carboys are used in a row. Dimensions (L x W x H): 11.81 x 11.81 x 16.5 inch. Capacity: 20L. Per each. Dynalon #: 505634-3.