The Flapper Arm for 120W/WC 12" is a critical component designed for Matco-Norca systems, ensuring efficient operation of your valves. This arm is specifically engineered to fit the 120W and WC models, providing a reliable mechanism for controlling flow. Constructed from durable materials, it offers excellent resistance to wear and tear, making it suitable for various applications. Its precise dimensions ensure a perfect fit, enhancing the overall performance of your system. Ideal for maintenance and repair, this flapper arm is essential for keeping your equipment running smoothly.