Wavin Osma SquareLine 4T830B Hopper Head - Black

The Wavin Osma Squareline Hopper Head 61mm Black (4T830B) provides an effective rainwater inlet for Squareline downpipe systems, helping manage high water flow from gutters, flat roofs and balconies. It offers a neat, professional finish while improving drainage performance and reducing splashback around buildings.

Manufactured from durable PVC-U for long-lasting outdoor use, this hopper head is fully compatible with the Wavin Osma Squareline rainwater system, making it ideal for new builds, extensions and replacement gutter installations across the UK.