The Pentair 152167z M6 Nut is a durable and reliable replacement part designed for pool and spa filter valves. Made from high-quality stainless steel, this M6 nut ensures long-lasting performance. Compatible with various Pentair PacFab 1-1/2" and 2" top/side mount valves, this nut is easy to install and provides a secure fit for your pool or spa system. Keep your pool or spa running smoothly with this essential replacement part.