*****NOT LEAD FREE****The Zurn Wilkins 1" 950XLT Double Check Valve Assembly is a new product designed for water applications. With a 1-inch pipe size and manual valve operation, this double check assembly (DCA) offers reliable backflow prevention. Manufactured by Zurn, a trusted brand in the industry, this unit is suitable for various plumbing and piping systems requiring a high level of safety and efficiency.