The AllPoints Foodservice Parts & Supplies 1901187 Mixing Chamber is designed for use with espresso and cappuccino machines, specifically compatible with models 190-1186 and 190-1188. This durable plastic mixing chamber measures 3 inches in height, with an outer diameter of 2-1/4 inches and an inner diameter of 2-1/8 inches. Its white finish ensures a clean and professional appearance. This part serves as a reliable replacement for Bunn-O-Matic 25733.0000 and Jet Spray A4750, ensuring optimal performance and longevity for your beverage equipment.