Winter closure plug for swimming pools, winter accessories for swimming pools, inlet plug for swimming pools, winter closure plug for swimming pools (38 mm diameter)

【Protect Your Pool】 The frost protection plug for pools protects your pool from harsh winters. A simple solution to prevent serious damage to your pool.
【High-Quality Material】 Made of high-quality rubber and stainless steel, it offers high elasticity and ensures a perfect seal. The wing nut is made of stainless steel, making it more durable than wing nuts made of [material not specified].
【Long Lifespan】 The winter protection plug is extremely cold-resistant, stable, and sturdy, and can be used for extended periods without damage.
【Easy Installation】 Simply screw on the winter protection plug. Ensure it is properly seated for a watertight seal. Easy to handle and effortless to install.
【Versatile Application】 Can be used for pressure testing in pools and to prevent water flow during system maintenance. Can also be used as a pipe plug to connect skimmers, return lines, and cleaning lines.