A proud four-time winner of the carrier president’s award! The mr muscle drain unblocker has always worked for me orange bottle in most supermarkets. Fast acting extremely powerful drain cleaner rapidly clears paper, hair, soap scum, organic debri, grease, fat, oil, blood, slime and leaves. Other elements we should know? Wall hung electric combi boiler suitable for smaller properties and flats give instantaneous hot water lt/min at -°c fully.