The Arrowhead PK1400 Red Brass Automatic Self Draining Vacuum Breaker is a high-quality plumbing fixture designed to prevent backflow in water systems. Made of durable brass, this antisiphon vacuum breaker is reliable and long-lasting. With a 3/4 inch hose and dimensions of 1.3 inches in length, 5.50 inches in height, and 1.88 inches in width, this product is compact yet efficient in maintaining water flow safety in your home. The California Prop 65 warning indicates that it is compliant with state regulations for cancer and reproductive harm. With the trusted brand of Arrowhead and the manufacturer's part number PK1400, this vacuum breaker is a dependable choice for home plumbing needs.