The 3" x 4" PVC Commercial Slab Drain with a 3-1/2" Metal Spud and 5" Square Brass by Braxton Harris is designed for efficient drainage in commercial settings. This durable PVC drain features a 3" x 4" size, making it suitable for high-volume water flow. The included 3-1/2" metal spud ensures a secure connection to plumbing systems, while the 5" square brass strainer effectively prevents debris from entering the drain. This product is ideal for use in restaurants, warehouses, and other commercial environments, meeting all necessary industry standards for safety and performance.