The Westbrass Standard Brass Air Gap Cap is a functional replacement part designed to maintain the integrity of your sink's plumbing system. This cap, measuring 1-5/8 inches in diameter and 2-1/4 inches in height, is crafted from durable brass to ensure long-lasting performance and resistance to corrosion. It effectively covers and protects the air gap, preventing backflow contamination and maintaining water purity within your home. This component is specifically intended for use with standard air gap assemblies, offering a straightforward installation process for both DIY enthusiasts and professionals. The cap's design allows for easy access for maintenance and cleaning, contributing to a hygienic kitchen environment. It's a practical solution for ensuring your plumbing meets safety standards and operates efficiently. This air gap cap is a reliable choice for anyone needing to repair or replace a damaged component in their sink setup. Its solid construction and precise dimensions guarantee a secure fit and dependable operation. Ultimately, this cap provides peace of mind knowing your water supply is protected..