5-Piece Winter Pool Plug Set, 1 1/2" Threaded Pool Return Plugs with O-Ring for Pools and Spas

Protect the pipeline: Winterizing plugs can block the water return pipe to prevent rainwater from freezing and causing the pipeline to burst, thus protecting the pool from damage.

With rubber ring: To ensure a watertight seal, the 5-piece winter plug set can meet various needs and is suitable for massage tub accessories, swimming pool accessories, and spa accessories.

Easy to install and use: Directly block the return pipe opening; no additional auxiliary fasteners are needed. It only takes a few minutes to install.

Wide range of applications: Suitable for backyard pools, swimming pools, etc.

It can be used as a pipe plug to seal skimmers, return lines, and detergent lines. High-quality material: The expansion plugs are made of plastic, conform to standard specifications, and are scalable to ensure a tight seal and prevent leaks.