The 4" x 18" Type B Round Gas Vent Pipe from Jones Stephens is engineered for effective venting of gas appliances. This pipe is made from high-quality materials that ensure durability and compliance with safety standards. With a 4-inch diameter and an 18-inch length, it is suitable for a variety of gas venting needs. The Type B classification guarantees compatibility with gas-fired systems, making it a reliable choice for both residential and commercial applications. Its design promotes efficient airflow, minimizing the risk of obstructions. Installation is straightforward, and it is essential to adhere to local codes and regulations for safe use.