The 4" Fg Hub & Grommet Hub Assembly by Zoeller Pump Company is a critical component for connecting pumps to piping systems. This assembly features a 4-inch female groove hub, designed for easy installation and secure connections. The included grommet ensures a tight seal, preventing leaks and enhancing system efficiency. Constructed from high-quality materials, this hub assembly is built to withstand the rigors of various applications, including wastewater management and industrial pumping. Its compatibility with standard fittings makes it a versatile choice for both residential and commercial use.