If you need to transport your Berkey filtration and purification system, you must first remove the Black Berkey purification elements. If you do not remove them from the system, you may break the rods. Place your water filters in a safe, leak-proof package. The stainless steel top and bottom parts fit together for easy transport and space savings. If your system has a level valve, be careful to remove or secure it so it doesn't break. Important : Failure to remove the filter elements from the system may result in rod failure and will void the manufacturer's warranty.