The Polypipe WP46PV 40mm Bottle Trap features a 75mm water seal and an anti-syphon design to prevent odours and backflow in plumbing systems. With a 40mm connection, it is ideal for use in basins and sinks, ensuring efficient and hygienic drainage. Manufactured from durable, high-quality materials, it provides a secure, leak-proof fit and long-lasting performance. Perfect for both new installations and replacement projects, offering reliable and effective wastewater management. Suitable for external applications.