This size tapered rubber expansion plug with a nylon wing nut is commonly used in winterizing a pool. This type of plug is typically referred to as expansion bolts, freeze plugs, rubber plugs, hole plugs, pipe or just pool plugs, you can use these expandable rubber plugs for pool returns, line cleaners and skimmers to prevent pipes from filling with water and freezing in the winter.
Details:
- Nylon wing nut
- Tapered rubber
- Top rubber diameter: 1-9/16 inch
- Bottom rubber diameter: 1-5/16 inch
- Rubber Length: 15/16 inch
