Clobber® Drain And Waste System Cleaner is a sulfuric acid drain solvent for emergency use in clearing drain, sewer or waste lines. For Professional Use Only - Not For Retail Sale. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.

• Fastest method for clearing emergency waste line stoppages
• Rapidly disintegrates paper, rags, food and all organic matter
• Formulated to inhibit corrosive action on ferrous and non-ferrous metals
• Will not harm septic tanks, cesspools, drainage fields and leaching systems when used according to directions
• May be used on cast iron, steel, copper, brass, lead and plastic pipellCan be used to thaw frozen lines
• SAF-T-POR spout included with each 1/2 gallon jug to permit safe, easy pin-point application without hazardous spilling