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. This cap features a cylindrical shape with a diameter of 1-5/8 inches and a height of 2-1/4 inches, providing a secure and neat cover for the air gap. Crafted from durable brass, it's built to withstand daily use and maintain its integrity over time. It effectively conceals the plumbing while allowing essential airflow for a smoothly functioning sink system. This cap is ideal for use in kitchens, bathrooms, or any sink area where an air gap is installed to protect the potable water supply. The design offers a subtle yet important aesthetic enhancement to your sink area, blending seamlessly with various sink styles. Its straightforward installation process makes it a convenient upgrade or replacement part for existing setups. The cap's solid construction contributes to a long-lasting and reliable solution for maintaining proper plumbing function. Ultimately, this air gap cap provides a practical and dependable way to complete your sink's plumbing system..