The Wavin Osma Deepline Gutter Seal 113 mm (9T964B) in black is a high-quality seal for Deepline soil and waste pipe systems, designed to provide a secure, leak-resistant connection between gutters and pipework. Made from durable materials, it ensures long-lasting performance in domestic and commercial drainage applications. Easy to install, this gutter seal supports reliable water flow and prevents leaks, making it ideal for plumbers, contractors, and DIY bathroom or drainage projects. Compatible with the Wavin Osma Deepline range, it delivers trusted, industry-standard performance.