The specialists at HG have developed HG duo drain unblocker specially for the most stubborn blockages caused by grease and food remnants (kitchen drain) or hair, toothpaste, soap remnants or skin grease (sanitary drains). That will save on plumber's bills! After all, HG duo drain unblocker is based on a unique double component technology with which you can personally tackle the various types of stubborn blockages in a simple and effective manner. Both products are ready for use and need not be diluted, so that there is less chance of splashes.