The AllPoints Foodservice Parts & Supplies 321290 is an essential sight gauge glass designed for coffee machines. Measuring 8 inches in length, this durable glass component allows for easy monitoring of liquid levels, ensuring optimal performance and efficiency in your coffee brewing process. Its clear construction provides a reliable view, making it simple to check water levels at a glance. Ideal for maintaining your coffee machine, this sight gauge glass is a practical addition to your kitchen equipment.