The 4" x 4" x 2" Cast Iron Inside Caulk Offset Closet Flange from Braxton Harris is designed for secure toilet installations. Made from durable cast iron, this flange offers excellent strength and stability. The inside caulk design ensures a tight seal, preventing leaks and ensuring optimal performance. This flange is compatible with various toilet models and meets industry standards for quality and safety. Ideal for both residential and commercial applications, it simplifies installation and enhances system reliability.