This product is a concentrated drain cleaner, which is intended for water pipes and drains. Ideal for unblocking sinks and WCs. Its hydrochloric acid base favours cleaning and removal of blockages in pipes and drains. It dissolves the accumulation of waste and dirt in general. It is perfect for dissolving oils, soap, shampoo residues, hair, faecal residues, etc. Take the lid off the drains to eliminate grease traps and possible unpleasant odours generated by the accumulation waste.