General description The Slotted Click-Clack Sink Drain with Black Powder Coated Waste Bottle Basin Trap is a crucial component of your bathroom plumbing system. It ensures that your bathroom remains hygienic and clean by preventing harmful gases from entering the space. The bottle trap effectively captures waste and dirt, allowing used water to flow through the basin waste into the drainage pipe and ultimately into the sewer, while blocking unpleasant odors from returning to your bathroom. Technical specifications Click-clack version: slotted (with overflow) Material: black powder coated metal Thread size: 5/4" BSP