The stylish push-button click clack waste is designed to be used in the same way as a sink plug, polished in high-quality chrome, creating a mirror-like sheen. The push-button waste works with a dome stopper in the base of the basin, which can be pushed once to open and once again to close. Tarnish and corrosion-resistant, with superior silicone seals and a long-lasting back-nut, which will not break if over tightened. A slotted basin waste has slots which allow any overflowing water to run into the main waste. This is suitable for a basin with an overflow (usually incorporated into the basin moulding). Nes Home Pop Up Basin Sink Waste Click Clack Plug Push Button Chrome Slotted in Silver