Swimming Pool Winter Plugs, Back Plugs 1/2 Inch Threaded Pool Hose Plugs with Seal

Plastic Swimming Pool Winter Plug: The expansion caps are made of plastic, can withstand extremely cold temperatures without slipping or shrinking. Pool winterizer cap comply with standard specifications and are scalable to ensure strict sealing performance and prevent leakage. Protect the pipeline: Swimming Pool Return Cap winterizing the water return hose to prevent rainwater from entering frost cause pipeline break, Filter Drain Cap protect pool from damage. family pool so you can have swimming experience Wide range of applications: rubber caps suitable for family garden pools, swimming pools. Winter pool cap can be used as hose plug to seal skimmers, return lines detergent lines, filter drain plug making it choice for sealing sewers Easy to install use: plugs directly block return port of hose, no need to use additional auxiliary fasteners, just twist caps into designated openings check tightness for protection With rubber ring Gel Plug: Wintering Cap to ensure sealing performance, Freeze Cap for Back Pipe Suitable for massage bath accessories, pool accessories, SPA accessories