The Polypipe SN40 Boss Adaptor 40mm features a push-fit rubber design, providing a secure and leak-free connection for soil, waste, and vent systems. This durable PVC-U fitting ensures reliable performance and easy installation, making it ideal for both domestic and commercial plumbing applications. Compatible with standard 40mm pipework, the SN40 adaptor simplifies connections to boss pipes and enhances plumbing efficiency. Available at Plumbco for professional-grade solutions.