Our iron and aluminum rods are indispensable for your water quality electrolyzer, whether it's a rectangular or one-word type. These rods are designed to deliver optimal performance and durability. To use, simply insert the rods into the electrolyzer and start the electrolysis process, which helps in the precise analysis and enhancement of water quality. Features -Color:Silver -Material:Iron + Aluminum -Size:7.00X0.80X0.80cm/2.75X0.31X0.31in -Precise water purity analysis: this water quality electrolyzer rod delivers accurate measurements of water purity, giving you trustworthy information about your drinking water -Robust and : made from sturdy iron and aluminum rods, this electrolyzer is built to last, withstanding repeated use for longterm reliability -Wide range of uses: suitable for various environments, including homes, offices, and hotels, this product is versatile and adaptable to different water sources -Easy to carry: its compact and lightweight design makes it highly portable, allowing you to test water quality easily while traveling or on the testing solution: each electrolyzer comes with iron rods and aluminum rods, providing a comprehensive solution for your water quality testing needs Package list: 8pcs electrolyzer rod