The Wavin OsmaSoil 2S402G Ring Seal Boss Adaptor 50mm Grey is a high-quality PVC-U fitting designed for secure and leak-free connections in soil and waste pipe installations. Suitable for both domestic and commercial plumbing systems, it ensures easy installation, durable performance, and reliable pipe alignment. Ideal for connecting pipes with ring seal ends, this adaptor provides long-lasting functionality in any plumbing setup.