Do you need an extremely powerful drain pipe cleaner? Put an end to even the worst blockages with this extremely powerful unblocker. HG duo unblocker is based on a unique 2-component technology that can be used to remedy different types of persistent blockages effectively. It is safe to use and safe for all drains. Both components are ready to use and do not have to be diluted, which reduces the chance of splashing. Our powerful unblocker neither foams nor splashes when you pour it down the drain. In order to remove unpleasant smells from the kitchen or bathroom drain, we recommend HG drain odour remover.