This green epoxy coated zinc plated wire shelving has been NSF listed. The unit is ideal for moist and humid environments that could otherwise lead to corrosion. This green epoxy shelving easily adjusts in 1" increments on the 1" diameter posts. This green epoxy shelving is ideal to use in all environments, including walk in coolers, dry and moist storage, and warewashing areas. The kit includes 4 posts, 4 shelves, 16 pair of split sleeves and 4 swivel casters (2 with brake).