(2)-Pack, Nu-Line Drain Cleaner, 32 ounce bottle

Prevents AC and fountain drain clogs: Keeps lines clear of slime, scum, and water leaks Enzyme-based and non-corrosive: Safe alternative to chlorine tabs or bleach for drains Long-lasting protection: Helps resist build-up for up to 90 days with regular use Easy to apply every three months: Maintains open drain lines and reduces mold growth Eco-friendly formula: Protects plumbing systems and the environment while cleaning