Wavin Osma SquareLine 4T864B Gutter Seal Black

The Wavin Osma SquareLine Gutter Seal 100mm Black (4T864B) is a high-quality replacement seal designed to maintain watertight joints in SquareLine gutter systems. Manufactured for durability and weather resistance, this seal helps prevent leaks and ensures reliable rainwater management in domestic and commercial installations. Compatible with Wavin Osma SquareLine 100mm gutters, it provides a secure and long-lasting fit.