The Zoeller Pump Company Carton Unicheck 2" C.I./Female NPT/BSPT is a critical component for ensuring efficient fluid flow in various piping systems. This check valve is constructed from high-quality cast iron, providing durability and resistance to wear. Designed with female NPT and BSPT connections, it offers versatility for different installation requirements. The 2-inch size is ideal for a range of applications, ensuring compliance with industry standards. This check valve is essential for preventing backflow and maintaining system integrity in both residential and commercial settings.