The AllPoints Foodservice Parts & Supplies 321921 O-ring is a durable rubber component designed for reliable sealing in various applications. With an outer diameter of 1-1/2 inches and an inner diameter of 1-1/4 inches, this round O-ring ensures a snug fit and effective performance. Its black rubber construction provides resistance to wear and tear, making it suitable for foodservice environments. Ideal for maintaining equipment efficiency, this O-ring is a vital part for ensuring optimal operation.