Set of 5 Winter Swimming Pool Plugs with O-Ring Swimming Pool Winter Cap For Spa Return Line Drain Plug

Protect Plumbing: The cold plug clogs the return hose to prevent rainwater from entering it and causing the hose to freeze and crack, and the filter drain plug to protect the pool from easy damage. Well Seal: Used to provide a secure seal for threaded openings in the pool plumbing system with a rubber ring to help prevent leaks and maintain the integrity of the pool circulation system. Easy to use: Before replacing the drain plug, make sure your pool equipment is off, gently unscrew and remove the old drain plug from the return hose, then screw on the new. High quality material: made of high-quality plastic + rubber ring, fine workmanship, smooth surface, good stability, good hardness, not easy to fracture. Wide application: widely used in large, medium and small swimming pools, vinyl coated bathrooms and swimming pools, for hot tub fittings, pool fittings, SPA fittings