(12) 32 oz. containers. This product is a ready-to-use, non-fuming, alkaline drain cleaner and maintainer. It absorbs and dissolves harmful obstructions caused by grease, hair, paper matches, rags and other organic matter. It is non-acid, harmless to plumbing and works through standing water into the obstructed outlet with positive penetrating and wetting action. Regular use of this product will keep drains running freely.