Versatile METRO MetroMax Shelving with Microban is completely modular. Multiple units can be joined together end-to-end, at right angles, or in T-configurations to fit your needs. Shelves adjust in 1/2" increments quickly locking into numbered grooves along each post. Shelf mats contain Microban®—a compound that inhibits the growth of odor- and stain-causing mold, mildew, and fungi. Mats lift off shelf frames for easy cleaning. Comes complete with four shelves. Starters include four posts; add-ons include two posts and two S-hooks per shelf. Constructed of reinforced polymers for extra strength. Complete unit has lifetime warranty against corrosion and rust.