The Mr Muscle Drain Unblocker is a fast-acting, heavy-duty gel cleaner designed specifically for sinks and drains. With a powerful formula that dissolves deep clogs and improves drainage flow three times more, this product by Mr. Muscle is a must-have for any household. The duo pack includes two 1-litre bottles of the gel form cleaner, making it convenient and efficient for tackling tough blockages. Scent-free and effective, this unblocker is the perfect solution for keeping your plumbing in top condition.