Drain Care Build-Up Remover clears clogs in stopped drains and and helps prevent future clogs. The concentrated, enzyme-based formula breaks down years of drain-clogging build-up to open slow drains. The certified, biodegradable formula is ideal for sinks, toilets and showers and breaks down into carbon dioxide (CO2), minerals and water. The product comes in 64-ounce bottles and is recommended for monthly use to maintain pipes in the home. Clears clogs in stopped drains and prevents future clogs Concentrated, enzyme-based formula breaks down years of drain-clogging build-up to open slow drains Certified, biodegradable formula is ideal for sinks, toilets and showers and breaks down into carbon dioxide (CO2), minerals and water Specifications Count 8 Piece Count 8 Manufacturer Part Number ZLDC648 Multipack Quantity 8 Model ZLDC648 Recommended Surface drain Brand Zep Recommended Location Indoor Specifications Count 8 Piece Count 8 Manufacturer Part Number ZLDC648 Multipack Quantity 8 Model ZLDC648 Recommended Surface drain Brand Zep Recommended Location Indoor