Drain Force Cup/Drain Plunger 150mmA Drain Force Cup Drain Plunger 150mm is a manual plumbing tool used to clear blockages in sinks, baths, and drains. The 150mm measurement refers to the diameter of the rubber cup. When pressed firmly over the drain opening and pushed pulled, it creates suction and pressure that helps dislodge blockages such as hair, soap, grease, or food debris. Commonly used in kitchens, bathrooms, and utility areas for unblocking household drains without the need