Proform is an economical solution for high humidity or wet applications. The carbon steel is treated with a zinc phosphate base. A hybrid epoxy with an antibacterial agent is electrostatically applied over the treated surface. Shelves adjustable in 1" increments using split plastic sleeves. Capacities are 600 to 800 lbs. per shelf. 15 year limited warranty to not rust or corrode. Come standard with post leveler feet. NSF Certified.