Drano Max Gel Clog Remover: 64-oz. Bottle; 6 Bottles per Case. This item sells per Case. The quantity and unit of the master carton is 6/64 OZ. Thick gel formula clings to clogs longer to clear clogs better. . Dissolves hair, soap scum and other clogs. Heavier-than-water formula pours straight through standing water and works quickly to restore drains. Safe for pipes, septic systems and garbage disposals.