The Master Disposers D-SK4 is a comprehensive sink mounting assembly designed specifically for "F" Series disposers. This kit includes essential components for optimal performance: one sink stopper, one mounting head, one 1/2" vacuum breaker, and one 3.0 GPM flow control valve. Each part is engineered for durability and efficiency, ensuring a reliable installation and seamless operation of your disposer system. Upgrade your kitchen setup with this all-in-one assembly for enhanced functionality and convenience.