The Stormline Exterior Stopend Left Hand Black is a durable, multi-ridded outlet designed for extra sealing and water tightness. Manufactured from high-quality PVC, it meets the BS EN 607/1462 standards. The Stormline range combines a sleek appearance with the ability to handle large volumes of water. This left-hand end stop is perfect for blocking the end of a gutter, and its 111mm size ensures a secure fit.