The ZOELLER Eccentric Reducer Fitting measures 4" x 3" and is designed for seamless integration into your pump system. Constructed from high-quality cast iron, this fitting ensures durability and resistance to corrosion, making it suitable for various applications. The eccentric design allows for smooth transitions between pipe sizes, minimizing flow disruption. This fitting complies with industry standards, ensuring compatibility with existing systems. Ideal for both residential and commercial plumbing, this reducer fitting is essential for optimizing your pump's performance and efficiency.