This Sea-lect GUZZLER foot valve/check valve with a 1" diameter is a reliable and high-quality part for your plumbing and ventilation needs. The valve is made in the United States and is designed to provide efficient and effective water flow in your boat. The manufacturer part number is West Marine 248138, and it is compatible with various boat models and sizes. The GUZZLER brand is known for its durability and performance, making it an ideal choice for your boat's plumbing system. This foot valve/check valve is easy to install and is designed to prevent backflow, ensuring that your boat's water system is functioning optimally. It is perfect for use in various applications, including marine, industrial, and commercial settings.