The Wavin Osma Trap 5V814W 40mm Anti-Syphon Bottle Trap in White is a premium PVC-U fitting designed to prevent siphoning and maintain water seals in domestic and commercial plumbing systems. Ideal for sinks, basins, and other waste outlets, this anti-syphon trap ensures reliable drainage while preventing unpleasant odours. Constructed from durable, corrosion-resistant material, it delivers long-lasting performance and easy installation, making it an essential component for efficient and hygienic plumbing systems.