The AllPoints Foodservice Parts & Supplies 1761669 Filler Cap is designed for optimal compatibility with the HBH750 blender. This clear plastic cap features an outer diameter of 2-1/2 inches and an inner diameter of 1-3/4 inches, ensuring a secure fit. Its durable construction provides reliable performance, making it an essential accessory for maintaining your blender's functionality. Ideal for foodservice environments, this filler cap allows for easy filling and minimizes spills, enhancing your blending experience.