2-1/2 x 2 300 Pressure Duty Black Malleable Reducing CouplingThe 2 1 2 x 2 300 Pressure Duty Black Malleable Reducing Coupling is a pipe fitting designed to connect two pipes of different sizes in a piping system. Made from black malleable iron, it has a 300# (300 PSI pressure rating), making it suitable for medium to high pressure applications in gas, steam, oil, and industrial systems. The black coated surface provides mild corrosion resistance for dry environments. Specification Details TYPE 300 Pressure