Mister Plumber 32 oz Drain Opener is a product that should be essential in every kitchen, utility room, or bathroom cupboard to unblock and clear out drains. Use the drain opener safely on your garbage disposal, septic tank, or pipes, even those with plastic components. This drain pipe opener has a professional-strength formula that gets to work quicker than many of the other leading brands available today. Easily pour the drain cleaner wherever you need it with the molded-in handle that makes it simple to use. The special cap of the Mister Plumber drain cleaner means you can store it with no spills and no mess. Monthly drain maintenance.