Formulated thick to dissolve the toughest clogs fast;Pours through water straight to the clog;Has an ingredient to protect pipes from corrosion. Safe for plastic, PVC, metal pipes, garbage disposals and septic systems;Won't harm pipes when used overnight;Contains no phosphorus

• Drano Max Clog Remover Twin Pack, 160 Ounce

Drano Max Clog Remover Twin Pack, 160 OunceSC JOHNSON