The MATCO NORCA 4" bonnet assembly is specifically designed for 10RT/RW models, including essential components like the bonnet and stuffing box. This assembly is crafted from high-quality materials to ensure durability and reliability in demanding applications. With precise dimensions, it fits seamlessly into existing systems, maintaining optimal performance. This bonnet assembly meets industry standards, making it suitable for various plumbing and industrial applications. Ideal for those seeking a reliable replacement part for their 10RT/RW systems.