This Burnham Commercial pipe reducer is a specialized plumbing component designed to connect two pipes of different diameters. The specific dimensions of this model are 4 inches female (F) by 3 inches female (F), indicating that it can effectively reduce a 4-inch pipe down to a 3-inch pipe. The product is constructed from durable materials, ensuring longevity and resistance to wear and tear. It features Venturi Nozzle Technology (VNT), which aids in maintaining optimal flow rates while reducing the pipe size, thus ensuring efficient operation within your plumbing system. This pipe reducer is suitable for commercial applications where changes in pipe diameter are necessary.