The 5392K14 Polypropylene Tubing has a 1/4″ inside diameter and a 3/8″ outside diameter, providing a smooth and flexible solution for various industrial applications. With a maximum pressure rating of 175 psi, this tubing offers durability and reliability in demanding environments. This unit quantity of 1 ensures that you have the necessary length for your specific plumbing or piping needs. Ideal for use in hydraulics, pneumatics, pumps, and other industrial systems, this polypropylene tubing is a versatile and efficient choice for your business or industrial project.