sanitary cleaning ball Standard: DIN, SMS, ISO Material:SUS304,316L Size: DN20-DN50 Product Name:rolling cleaning ballMaterial quality: SUS304,316L etcSize: DN20-50Standard: DIN, SMS, ISOSpecfication:1 inch to 6 inchApply:high-accuracy fluid equipment such as pharmacy,dairy food,beverage,beer,wine,biology etc projects.