To use the 38mm winter swimming pool pipe antifreeze stainless steel plug, simply insert it into the pool pipe opening and tighten it securely. This plug is specifically designed to create a watertight seal, preventing any water from seeping into the pipes. By using this plug, you can effectively winterize your pool and avoid costly repairs caused by pipes. Features -Color:Black -Material:Rubber -Size:4.00X3.80X3.80cm/1.57X1.49X1.49in -Userfriendly design: the pool antifreeze plug features a userfriendly design that simplifies the installation and removal process, making it accessible for all pool owners -Effective winter protection: this plug is ideal for winterizing pool pipes, preventing freezing and potential damage to your pool's plumbing system during cold months -Fits standard pool pipes: with its 38 mm standard size, this plug is compatible with most pool pipes, ensuring a and easy installation -Protects pool infrastructure: by preventing pipe blockages, this plug safeguards your pool's infrastructure, reducing the risk of costly repairs and maintenance -Versatile use: suitable for a wide range of pools, including home, public, and , this antifreeze plug provides versatile and reliable protection Package list: 1 x pool antifreeze plug