The 4POLY FLOW-4FP 90 fitting by Fittings Unlimited Inc is designed for efficient fluid direction changes in poly systems. This 90-degree elbow fitting measures 4 inches and is made from durable poly material, ensuring long-lasting performance. It is ideal for applications requiring a reliable connection in tight spaces. The fitting meets industry standards for quality and performance, making it suitable for both residential and commercial use. Its easy installation process allows for quick setup, making it a favorite among plumbing professionals.