These versatile rods are for use in various water quality testing devices and electrolyzer equipment. Their compatibility with different types of electrolyzers makes them a valuable addition to any water quality monitoring setup. The rods ensure precise and reliable results, helping users maintain optimal water conditions in their systems. Features -Color:Silver -Material:Iron , Aluminum -Size:7.00X0.80X0.80cm/2.75X0.31X0.31in -Efficient electrolysis: the iron rods for water quality electrolyzers significantly improve the efficiency of the electrolysis process - and reliable: crafted from iron and aluminum, these rods offer exceptional durability and stability -Versatile applications: It's for use in laboratories, industrial production, and other experimental settings, providing broad applicability - : these rods address common electrolysis challenges, ensuring accurate and effective experimental outcomes -Portable and convenient: their small size and lightweight nature make these rods easy to carry and store, suitable for various environments Package list: 8 x aluminum rod electrolyzers 8 x iron rod electrolyzers