The Westbrass Plastic Air Gap is a practical plumbing solution designed to prevent backflow contamination in household water systems. This 2-pack features a durable plastic construction with a polished chrome finish, ensuring reliable performance and a touch of modern elegance. Measuring 9-1/4 inches in overall length with a 2-inch diameter body and 1-1/4 inch threaded section, it's designed for easy installation into standard sink setups. Equipped with both a 7/8-inch and 5/8-inch hose barb, this air gap accommodates various water supply line sizes for flexible compatibility. It effectively creates a safe separation between potable and non-potable water sources, protecting your drinking water supply. This air gap is ideal for use with dishwashers, sinks, and other plumbing fixtures where backflow prevention is crucial. The compact design ensures it won't take up excessive space under your sink, while still providing essential protection. Its straightforward functionality makes it a simple yet effective upgrade for any kitchen or utility area. The unit's sturdy build promises long-lasting durability, offering peace of mind for years to come..