Pool Winterizing Plug Rubber Expansion for Swimming Pool Skimmer Drain Multiple Sizes

Practical design and installation: Expanded rubber plugs seal pool tubes and backwash ports to prevent debris from entering the tube; simply screw the plug into backwaters for a secure seal. Versatile applications: These pool plugs can be used as tube plugs to seal storage devices; suitable for outdoor pools, kitchen and bathroom sinks, and small indoor pools. Size options and color: Includes a black plug set, assorted in 6 sizes: 25 mm, 32 mm, 38 mm, 45 mm, 51 mm, and 63 mm. Winter protection and maintenance: Helps protect your pool in cold winter by preventing debris from entering the tube and by controlling outflow from the pool during equipment maintenance. Use scenarios: Outdoor pool: plug backwash tubes to block debris and reduce water loss during winter or maintenance. Sinks and small indoor pools: use as tube plugs to seal drains or tubes during cleaning or storage. Equipment storage and maintenance: seal tubes on storage devices or portable pools to prevent leaks and keep components protected.