The AllPoints Foodservice Parts & Supplies 1361137 O-Ring is designed specifically for espresso and cappuccino machines. This durable silicone O-Ring measures 1-5/8 inches in diameter and features a brown color for easy identification. Engineered for optimal performance, it ensures a secure seal, preventing leaks and maintaining pressure within the machine. Ideal for replacing worn or damaged O-Rings, this part enhances the efficiency and longevity of your espresso equipment.