The 4" x 12" Type B Round Gas Vent Pipe by Jones Stephens is designed for venting gas appliances safely and efficiently. Constructed from durable materials, this vent pipe meets industry standards for performance and safety. With a diameter of 4 inches and a length of 12 inches, it is ideal for various gas venting applications. The Type B designation ensures compatibility with gas-fired appliances, providing a reliable solution for both residential and commercial installations. This vent pipe is easy to install and features a smooth interior for optimal airflow, reducing the risk of blockages. Ensure compliance with local building codes and regulations when using this product.