Liquid-Plumr Clog Remover, Professional Strength 17 fl oz (1 pt 1 oz) 503 ml
Safe for all pipes. Most powerful foaming clog remover (based on label comparison). A Revolutionary Breakthrough: Two powerful liquids activate on contact to form deep-cleaning foam. Works fast to dissolve hair and gunk. Penetrates deep into pipes to seek out the clog. Safe for all pipes (PVC, copper, old pipes), septic systems and garbage disposals. Contains no phosphorus. Made in USA.