Specially formulated to dissolve the toughest clogs. Pours direct through water straight to the clog. Safe for use with plastic, PVC, metal & even garbage disposals! Contains no phosphorus. Application: Drain Cleaner; Applicable Material: Metal; Plastic; PVC; Chemical Compound: Sodium Hypochlorite; Dirt Types: Food Debris; Grease; Hair; Oil-Based Soils; Organic Matter; Water-Based Soils.