Drano FlowGuard Build-Up Remover, Enzymes Help Prevent Clogs, 60 oz, 1-Pack | Helps Prevent Clogs, Not for Existing Blockages; Safe for Pipes, Septic Systems & Toilets; Removes Buildup; Package May Vary

TRUSTED BRAND: Drano has been used and trusted for generations. Avoid spending money on a plumber, and use Drano once a month for drain maintenance and clog prevention. UNIQUE FORMULA: Drano Max Build Up Remover uses a unique formula with natural enzymes and probiotics, that eat through gunk. Free of bleach. Contains a clean, citrus fragrance. PREVENTS CLOGS: Will not open clogs. Use it once a month to keep your drains running smoothly and prevent clogged drains. An ounce of prevention is worth a pound of cure! SAFE ON PIPES: Safe for bathroom and kitchen sinks as well as toilets.