The Westbrass Standard Brass Air Gap Cap is a functional replacement part designed to maintain the integrity of your 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 prevents backflow contamination by creating an air gap, safeguarding your water supply from potential hazards. This component is ideal for use with standard air gap installations in kitchen and bathroom sinks, laundry tubs, and dishwashers. The cap's design allows for easy installation and maintenance, fitting seamlessly into existing plumbing setups. Its robust construction provides a reliable seal, contributing to a cleaner and safer water system. The smooth, polished finish offers a neat appearance, blending well with various sink styles. This air gap cap is a practical solution for homeowners and plumbers alike, ensuring compliance with plumbing codes. Ultimately, it's a small part that plays a significant role in protecting your home's water quality..