This liquid drain opener is comprised of 93% sulfuric acid, making it the fastest method for clearing emergency waste line stoppages. You don’t need any mechanical equipment if you have this drain opener.^^It rapidly disintegrates paper, rags, sanitary napkins, food scraps, and all organic matter. It also melts ice and liquefies grease!^^Protection^Its special inhibitors prevent cast iron, copper, and steel piping from corroding. This product also includes child-resistant caps to protect little ones from accidents.^^Sold by the Case^Each order is processed by the 12-jug case. We pack each jug in a plastic bag for safety during shipping.