Fast and efficient cleaning: This triangular pool vacuum head enables accurate vacuuming along walls and corners for a thorough clean and effective debris removal. Side length 30 cm (11.81 in). Easy to connect: Compatible with 1 1/4 inch and 1 1/2 inch hoses and works with standard pool poles (pole not included), delivering a smoother and more efficient cleaning experience. material: Made of PP material, lightweight, resistant to breaking, wear resistant, and sturdy for long term use. Humanized design: Transparent vacuum head with bottom brushes and clear view, allowing easier alignment and more convenient cleaning of walls, surfaces and corners. Use scenarios: Regular maintenance in residential pools to clean walls and corners around the waterline. Cleaning around steps, ladders, and tight corners where debris collects. Post storm or heavy debris cleanup to remove leaves and sediment along pool edges and joints.