The AllPoints Foodservice Parts & Supplies 1111059 Bonnet Washer is designed specifically for spray valves, ensuring optimal performance and durability. With an outer diameter of 1/2 inch and an inner diameter of 1/4 inch, this brass washer provides a reliable seal to prevent leaks and maintain water pressure. Its robust construction ensures longevity, making it an essential component for efficient foodservice operations. Ideal for replacing worn or damaged washers, this part enhances the functionality of your pre-rinse faucet.