Drano Commercial Line Max Gel Drain Cleaner Clog Remover features a thicker formula that clings to clogs longer, effectively attaching to and removing them. This gel pours through standing water and is designed to handle hair, soap scum, and other gunk that can block drains. It is safe for all types of pipes, including plastic, PVC, metal pipes, garbage disposals, and septic systems, thanks to a special ingredient that protects pipes from corrosion. You can use it overnight without worrying about damage to your plumbing. Available in convenient bottle sizes, this product is a reliable solution for tough drain clogs. Model Number: 22118