Designed for water quality electrolyzers, our iron and aluminum rods are practical for both rectangular -word electrolyzer models. These rods ensure efficient electrolysis, helping you achieve accurate water quality assessments. Insert the rods into the electrolyzer's slots and begin the electrolysis process to effectively monitor and improve your water quality. Features -Color:Silver -Material:Iron + Aluminum -Size:7.00X0.80X0.80cm/2.75X0.31X0.31in -Accurate water quality testing: this water quality electrolyzer rod ensures precise measurements of water purity, providing reliable information about the safety of your drinking water - and reliable: constructed from sturdy iron and aluminum rods, this electrolyzer is designed for repeated use, ensuring performance -Versatile applications: practical for use in homes, offices, hotels, and other settings, this product is suitable for testing various water sources -Portable design: the compact and lightweight design makes it easy to carry, allowing you to test water quality conveniently while traveling or on the electrolyzer set: each set includes iron rods and aluminum rods, offering a complete and effective solution for water quality testing Package list: 8pcs electrolyzer rod