The Westbrass InSinkErator style extra-deep disposal flange and stopper is a reliable kitchen sink component designed for seamless integration with your existing disposal system. Crafted with durable materials, this flange features a 4-1/2 inch outer diameter and a 3-3/8 inch inner diameter, ensuring a secure fit for deeper sink basins. Its 3-inch overall height and 2-1/2 inch depth provide ample space for efficient food waste management, while the 1-1/2 inch drain opening facilitates quick water drainage. This flange and stopper combination offers a practical solution for preventing accidental disposal activation and maintaining a clean sink environment. It's particularly well-suited for use with InSinkErator disposals and sinks requiring a deeper flange to accommodate their depth. The design includes a 5-degree slope for optimal water flow and a 3/8 inch thickness for added robustness. The overall construction ensures long-lasting performance and resistance to corrosion, making it a dependable addition to any kitchen. This component is designed to provide a secure and functional seal, contributing to a more hygienic kitchen space. It's a straightforward upgrade that enhances the efficiency and cleanliness of your kitchen sink..