1L. This sulphuric acid based, amazing liquid drain opener is heavier than water, so finds it’s way to the blockage instantly. It generates high heat and this heat plus a powerful chemical action dissolves most clogs of paper, grease, hair, sludge, fat, cloth and other common organic obstructions. Cleans clogged drain pipes and drain openings. Also fine as a drain maintainer, keeping lines free-flowing.
