High-quality materialsThe bottle cap is made of high-quality materials, and the winter caps on the ground and ground swimming pools in winter are corrosion resistant and have good durability and stability .<br> <br> Easy installationUniversal external threaded plug, threaded connection, easy to install and use, directly replace the old or broken one.<br> <br> Strong sealingThis threaded plug oil return is equipped with a rubber ring, which has a strong seal and will not damage the oil return pipe due to leakage.<br> <br> WorkmanshipThis drain plug of filter has fine workmanship, smooth surface, wear resistance, aging resistance, long service life, and can withstand extremely cold temperatures without slipping or shrinking.<br> <br> Multi Use -scenes This winter socket is suitable for , pool and spa accessories.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin