This product features durable iron and aluminum rods designed for use in water electrolyzers. The rods are suitable for electrolyzers, ensuring versatility in various experimental setups. These rods are essential components for conducting precise water purification and electrolysis experiments, providing reliable performance and durability. Features -Color:Assorted Color -Material:Iron, Aluminum - Size: 6.50X0.80X0.80cm/2.55X0.31X0.31in -Accurate water purity measurement: this water quality electrolyzer rod provides precise water purity measurements, ensuring you receive reliable information about your drinking water quality -Durable construction: made from iron and aluminum rods, this electrolyzer rod is sturdy and durable, capable of withstanding repeated use for reliability -Versatile usage: suitable for various water sources, this electrolyzer rod can be used in homes, offices, hotels, and more, making it a versatile tool for water quality testing -Compact and lightweight design: its compact size and lightweight design allow you to easily carry it with you, enabling water quality testing on the go or during travel -Complete set: each electrolyzer includes iron rods and aluminum rods, providing complete for your water quality testing needs Package list: 2pcs aluminum rods, 2pcs iron rods