The 4" Aluminum Dome Strainer is specifically designed for Cast Iron (CI) and PVC floor sinks, ensuring efficient drainage and clog prevention. Made from high-quality aluminum, this strainer is lightweight yet robust, providing long-lasting durability. Its dome shape allows for optimal water flow while effectively blocking debris. Suitable for both commercial and residential applications, this strainer is easy to install and maintain, meeting industry standards for reliability and performance. An essential component for any plumbing system.