The UNIA U090361 is a genuine OEM pump diaphragm specifically designed for use with UNIA Zeta and Kappa series agricultural spray pumps. This high-quality component ensures reliable and efficient operation, maintaining proper pump pressure and fluid transfer for various spraying applications. It is compatible with a wide range of UNIA pump models, including Zeta 40, Zeta 85, Zeta 100, Zeta 120, Zeta 140, Zeta 170, Kappa 40, Kappa 60, Kappa 80, Kappa 100, Kappa 120, Kappa 150, and Kappa 180. Crafted to original specifications, this diaphragm provides a precise fit and long-lasting durability, crucial for demanding agricultural environments.