Pack of 2 vacuum cleaner filters, HEPA front and rear filter kit for Dyson DC19 DC20 DC21 DC29 vacuum cleaners

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.