The 3" x 4" PVC Commercial Clamping Drain with a 3-1/2" Metal Spud and 6" Square Base is designed for efficient drainage in commercial settings. Constructed from durable PVC, this drain is resistant to corrosion and suitable for various applications, including kitchens and bathrooms. The 3" inlet and 4" outlet provide optimal flow rates, while the 3-1/2" metal spud ensures a secure connection. The 6" square base allows for easy installation and stability. This drain meets industry standards for performance and safety, making it an ideal choice for contractors and facility managers.