The Danco P-Trap holds water in the U or J shaped bend to provide a liquid seal between the home and sewer gasses. Water drains through the pipe to the sewer system while maintaining the proper seal.
Danco is one of the largest plumbing repair, replacement and remodel suppliers in the home improvement industry.  We are largely focused on empowering Do It Yourself consumers with affordable plumbing products and solutions which create new and refreshing décors for bathrooms and kitchens.