This Westbrass air gap cap is a functional addition designed to prevent backflow contamination in plumbing systems. Crafted from durable brass, this cap features a skirted design with overall dimensions of 2-3/4 inches in height and a 2-inch base diameter, ensuring a secure and reliable fit. The cap's 1-3/4 inch wide dome shape effectively covers the air gap, while the 1/2 inch connection point allows for easy installation with standard plumbing fixtures. It's a practical solution for maintaining water purity and complying with plumbing codes in various applications. This cap is particularly useful in kitchen and bathroom sink setups, protecting potable water supplies from potential pollutants. The smooth, rounded form of the cap contributes to a clean and streamlined appearance in the plumbing area. Its robust construction promises long-lasting performance and resistance to corrosion, making it a dependable choice for both residential and commercial settings. This air gap cap provides a simple yet effective way to enhance the safety and hygiene of your water system. It's a straightforward component that plays a vital role in safeguarding water quality..