The PISTON for 3890/5590 is a high-performance component designed for optimal functionality in pneumatic systems. Manufactured by REX INTERNATIONAL, this piston ensures reliable operation and durability. It is crafted from high-quality materials to withstand demanding conditions, making it suitable for various applications. With precise dimensions tailored for the 3890 and 5590 models, this piston guarantees a perfect fit and seamless integration. Ideal for maintenance and repair tasks, it meets industry standards for performance and safety.