describe > Protect the pipes: The antifreeze cap can block the return pipe, prevent rainwater from entering the ice and cause the pipe to rupture, and protect the swimming pool from damage. > With rubber ring: In order to ensure the sealing performance, 5 winter plugs can meet different needs, suitable for Jacuzzi accessories, swimming pool accessories, SPA accessories. > Easy to install and use: plug the oil return port directly, no additional auxiliary fasteners are required, and it can be easily operated in just a few minutes. > High Quality Materials: The expansion plugs are made of plastic to standard specifications and are expandable to ensure tight sealing performance and prevent leaks. > Wide range of applications: suitable for home garden swimming pools, swimming pools, etc. Skimmer plugs can be used as pipe plugs for plugging skimmers, oil return lines, and detergent lines. > color: White > Quantity: 5 pieces >