Description Description The Haskel 17580 piston assembly is a high-quality component for your air-driven pump. It is designed to withstand high pressures and temperatures, and to provide reliable performance and durability. The piston assembly consists of a piston rod, a piston head, a seal kit, and a spring. The piston rod is made of stainless steel for corrosion resistance and strength. The piston head is made of aluminum for light weight and efficiency. The seal kit is made of PTFE for low friction and long life. The spring is made of steel for elasticity and stability. The Haskel 17580 piston assembly is easy to install and maintain, and it is compatible with most Haskel air-driven pumps. It is an essential part of your pumping system, and it will ensure optimal operation and safety. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories