Toro Two-Tank Setup Kit, FM 330 Fluid Mixer, is a device designed to help you with mixing fluids. The kit includes end plates, a top bracket, bolts, nuts, and a spacer. It is compatible with both 500-gallon and 1000-gallon tanks. The end plates are used to trim the tank frames and install the top brackets, which hold the support rods in place. The spacer is used to separate the end plate from the base of the tank. The bolts and nuts are used to secure the end plates, top brackets, spacer, and support rods. This kit is easy to install and can help you to keep your fluids mixed properly.