The Polypipe SA43W Access Pipe 4in/110mm features a 2 boss single socket design, providing reliable access for maintenance and inspection of soil, waste, and vent systems. Its durable PVC-U construction ensures a secure, leak-free connection and long-lasting performance. Ideal for domestic and commercial plumbing applications, this access pipe is easy to install and compatible with standard 110mm pipework. Available at Plumbco for professional plumbing solutions.