This is a new lid for a 1.5 Qt. or 2 Qt Slim fountain jar.
some information from online:
Create a convenient, easy-to-use condiment station with the Server 83184 stainless steel hinged lid for 1.5 qt. or 2 qt. slim fountain jars. This lid is made of stainless steel, making it easy to clean and durable in commercial settings. Designed to fit on a slim fountain jar (sold separately), this narrow lid features a hinged design to make accessing product both fast and easy. There's even a large knob on top for lifting and a small notch along the front to accommodate a spoon or ladle when this lid is closed.
