Get PP Compression Fittings at Best Rate and Super Durable Quality. All Kind of Compression Fittings Available at Shlok Fusion Industries Pvt Ltd PP compression fittings, also known as polypropylene compression fittings, are a type of plumbing or piping component used to connect two or more sections of polypropylene (PP) pipes or tubing together. They are commonly used in a wide range of applications, including water supply, irrigation, and various industrial processes. PP compression fittings are designed to provide a reliable and leak-proof connection without the need for soldering, welding, or adhesive bonding.