The Westbrass Standard Brass Air Gap Cap is a functional component designed to finish off your sink's air gap setup, ensuring proper drainage and preventing backflow. Crafted from durable brass, this cap measures 1-5/8 inches in diameter and stands 2-1/4 inches tall, providing a secure and reliable cover for the air gap. Its construction helps maintain a sanitary environment by preventing contaminants from entering the potable water supply. This cap is specifically intended for use with standard air gap assemblies, making it a straightforward replacement or addition to existing plumbing. The design offers a simple yet effective solution for maintaining plumbing code compliance and protecting your water system. It's a practical choice for kitchens, laundry rooms, and any sink area where an air gap is required. The cap's smooth, rounded form integrates seamlessly with most sink designs, offering a clean finish. This component is built to withstand daily use and exposure to water, ensuring long-lasting performance. Ultimately, this air gap cap provides peace of mind by contributing to a safe and well-maintained plumbing system..