POWERFUL: This drain plunger has a powerful plunging action to clear tough obstructions in drains quickly and easily without any mess and without using harsh chemicals. DURABLE AND VERSATILE: Durable and easy to use, it has 2 interchangeable plunger heads (65mm and 160mm diameters) - the large head is suitable for draining toilet and the small head is suitable for draining sinks, showers, and bathtubs.