Justrite 12916 HDPE Carboy with Spigot, 20L, 83mm Cap, Made of highly durable Class VI, FDA grade high-density polyethylene resin, these carboys offer excellent chemical resistance and are ideal for various solvents, buffers, reagents, powders, and solids. The ergonomic design features large handles and base with molded hand-grip, allowing you to easily lift and pour. The included polypropylene cap with platinum-cured silicone gasket provides a tight spill-proof seal. Designed with internal threads and a hard stop to prevent over tightening and seal damage, leak-proof polypropylene spigots feature a standard internal luer taper to fit a male barb adapter. Large lever controls two flow rates, one for continuous locked flow and the other for a faster manual flow. Carboys are compatible with interchangeable adapters and spigot fittings. Note: Length includes spigot.