The Spv110w Durgo Air Admittance Valve is a key component in plumbing systems, designed by Polypipe to provide efficient air admittance. Constructed from durable plastic, this valve is built to last and is suitable for a multitude of applications within the home or commercial settings. With a unit type of 100ml, it ensures a smooth and controlled flow of air, maintaining the integrity of the plumbing network. Its compatibility with various systems makes it a versatile choice for installation and repair tasks, ensuring a reliable and leak-free connection.