Sioux Chief PVC Open Closet Flange is a durable and reliable plumbing component designed for easy installation and long-lasting performance. This 4" x 3" open, flush mount flange is made from solid PVC, ensuring strength and resistance to corrosion. The one-piece plastic construction simplifies the setup process while providing a secure fit. It features a 3" hub with a 4" flush-to-floor design, making it compatible with most pipe types, although the inside diameter of pipes can vary significantly. Engineered to fit inside most pipes, it is an i choice for many plumbing applications requiring a Schedule 40 DWV closet flange. Model Number: 886-P