Protect the pipeline: swimming pool plug winterizes the water return pipe to prevent rainwater from entering the frost and causing the pipeline to rupture, Filter Drain Plug and protect the swimming pool from damage. the family swimming pool so that you can have a pleasant swimming experience Wide range of applications Swimming Pool Winter Plugs: Rubber winter plugs are suitable for family garden swimming pools, swimming pools, etc. Winter Pool Plug Winter plug can be used as a pipe plug to seal skimmers, return lines and detergent lines, Filter Drain Plug making it the best choice for plugging drains With rubber ring: Winter Pool Plug to ensure sealing performance, 5 pieces winter plugs can meet different needs, Return Line Freeze Plug suitable for massage bathtub accessories, swimming pool accessories, SPA accessories Easy to install and use: Pool Return Plug directly block the return port of the pipe, no need to use additional auxiliary fasteners, Simply twist the plugs into the designated openings and check the seal for optimal protection Plastic Pool Plug: The expansion plugs are made of plastic, can withstand extremely cold temperatures without slipping or shrinking. swimming pool winterizing plugs comply with standard specifications and are scalable to ensure strict sealing performance and prevent leaks