The Wavin Stormline Exterior Stopend Left Hand Black 111mm outlet is multi-ridded for extra sealing and water tightness. It is manufactured from durable PVC and meets BS EN 607/1462 standards. The Stormline range combines its attractive appearance with the ability to handle large volumes of water. This left-hand end stop is designed to block the end of a gutter, making it a reliable solution for your exterior water management needs.