Crafted from iron and aluminum, these rods are built to withstand the rigors of frequent use in water heaters and electrolyzers. Their robust construction ensures performance, making them ideal for both residential and commercial water quality monitoring systems. The rods are easy to install and replace, providing convenience and reliability. Features -Color:Silver -Material:Iron , Aluminum -Size:7.00X0.80X0.80cm/2.75X0.31X0.31in -Enhanced electrolysis: the iron rods for water heaters provide electrolysis performance, improving the efficiency of water quality analysis -Iron,Aluminum quality: constructed from iron and aluminum, these rods ensure a consistent performance -Multiscenario application: ideal for use in laboratories, industrial settings, and various experimental environments, offering great versatility -Accurate results: designed to solve common electrolysis issues, these rods ensure precise and reliable experimental results -Convenient portability: their small and lightweight design makes these rods easy to transport and store, It's for use Package list: 8 x aluminum rod electrolyzers 8 x iron rod electrolyzers