HG duo unblocker is for unblocking the most stubborn blockages in the drain. From now on, you won't need a plumber anymore! In the kitchen, blockages are often caused by grease and food residues. In the bathroom, blockages are caused by toothpaste, hair, soap residues, and skin oils. HG duo unblocker is the extremely strong drain unblocker for kitchens and bathrooms! Extremely strong due to unique 2-component technology, 1x 500ml each For the most stubborn blockages Safe for all drain pipes Ready to use Does not splash or fizz