With a unique formula containing natural enzymes and bacteria, Drano® Max Build-Up Remover helps prevent clogs from forming in your pipes. This product will not open clogs. Use it on a monthly basis to keep your drains running smoothly and prevent clogged drains. An ounce of prevention is worth a pound of cure.

• Unique formula with natural enzymes
• Helps remove build-up
• Prevents septic system back-up
• Won't harm pipes, garbage disposals or septic tanks
• Can leave in drains overnight
• Contains no phosphate, a potential cause for harm to rivers and lakes