Pequa 64 oz. Heavy Duty Drain Opener, a non-acid, fast-acting, and non-polluting solution to your clogged drain woes. This powerful drain opener is tough on clogs but gentle on your pipes, as it will not harm metal or plastic pipes. It effectively cuts through grease and dissolves hair, leaving your drains clear and flowing freely. Safe for use in septic systems, this drain opener is also incredibly easy to use. Simply pour the desired amount down the drain, let it sit for the recommended time, and then flush with hot water. Say goodbye to stubborn clogs and hello to clear, flowing drains with Pequa 64 oz. Heavy Duty Drain Opener.