This is a Double Winter Pool Plug Type 98L. It has a #8 1-1/2 inch bottom pipe plug and a #9 1-3/4 inch fitting top plug. This plug has an 8-1/4 inch rod with 4-3/4 inch spacing between plugs. Double plugs are winter plugs with different stoppers and spacers. These double winter pool plugs are constructed of non-corrosive heavy-duty nylon, stainless steel, and high quality rubber. You can safely seal off plumbing, especially skimmers, from freezing conditions.
Winter freeze plugs are used to plug your swimming pool pipes after they have been drained to prevent water from entering the pipes and causing freeze damage. Simply screw plugs into all return and drain inlets after blowing out lines.
