Item Type: Ion HeadMaterial: Plastic + stainless steelHeight: Approx. 9.5cm / 3.7inDiameter: Approx. 7cm / 2.8inType: DetoxNote: It mainly depends on the plug, you can use which plug you chooseApplication: Perfect for foot bath spa, also used in health centers and beauty salonsWeight: Approx. 202g-237g / 7.1oz-8.4ozIon Head Maintenance Method:1. After each use, please use a brush to clean the acid substance attached to the ion generator inside and outside, and place it in a ventilated and cool place to dry2. After 3-5 times of use, put the ion ball into pure white vinegar at 3-4 degrees, let the white vinegar submerge the metal parts of the ion generator, soak for 5 minutes, and then brush the ion ball inside and out again with a brush , Rinse thoroughly and ventilate to dry3. If the yellow acid substance attached to the ion generator is not cleaned, it will affect the use effect. Maintaining the ion ball can extend the service life, and improper maintenance will shorten the service life