The GrainMax SmoothWall hopper bin provides top-quality grain and seed storage at prices comparable to corrugated hopper combos. The GrainMax's seamless interior allows for safe and easy unloading while ensuring no trapped seed or contaminants on the walls or joints. Completely self-cleaning with no bolts or ribs, the GrainMax bin is the safest and most efficient on farm grain storage solution available. With proven quality and durability, Meridian's GrainMax grain bins help you farm efficiently by saving you time and energy in your grain storage and handling.