This Vibrant 4 Ply Reinforced Silicone Straight Hose Coupling is 3in I.D. x 3in long and is BLACK in color. It is designed for use in high pressure and high temperature applications and is made from high-grade silicone for maximum durability. The 4 ply reinforcement ensures a tight and secure connection and the black finish provides a sleek and modern look. This hose coupling is perfect for any automotive, industrial, or marine application.