Zep Drain Defense Enzymatic Drain Care Powder ZDC16 Pack of 2 Safe for Pipes and Septic Systems

Helps prevent clogs in sinks, toilets and showersEnzyme-based formula breaks clogs by cleaning and removing build-upMonthly use helps maintain home pipes and prevent clogs before they happenCertified, biodegradable formula, breaks down into carbon dioxide, minerals and water WORKS ON: Sinks, toilets and septic tanks ENZYME BASED FORMULA: Breaks down drain-clogging elements. Use monthly to prevent future clogs from happening SAFE FOR: PVC and most other septic systems BREAKS DOWN: Into CO2, minerals and water