2pcs Pool Winterizing Plug, 38mm/1.5inch Rubber Winter Expansion Plugs Winter Plug Expanding Pipe Plugs for Swimming Pool Spa Pipework Winter Fittings

Good Antifreeze Effect - Use the skimmer plug to protect your pool against the harsh winter season. A simple solution which prevents your pool from running into serious damage.

Easy to Use - As pressure testing pool lines or other methods of detection, or stopping water flow from the pool when equipment repairs are made.Just simply screw drain plug into all return and drain openings.

Multifunction - The expansion plugs can be used as pipe plugs, to plug skimmers, returns and cleaner lines to prevent water from entering the pipes during winter.

Quality Material- The swimming pool expansion plug are made of quality rubber, it has maximum expandability and can make sure a tight sealing, providing you great using experience.

Convenient and Practical - Expanding rubber bung Built to meet or exceed standard specification, strictly follow factory quality control, compact size, easy to carry.