Electroplated wall-mounted washbasin waste, extended drain pipe, wall-mounted odor-control drain pipe, water separator.

Unblocking a bathroom sink is a straightforward process. Most of the time, you just need to clean out the basin waste. However, sometimes the waste pipe itself can get clogged. In this case, you'll usually have to use a chemical drain unblocker. Read on for our step-by-step guide to unblocking a basin.