MetroMax i X336EGX3 4-Shelf Mobile Industrial Plastic Shelving Cart, Open Grid Shelves, 18″ x 36″ x 67.3125″

The strongest, most versatile, corrosion proof shelving system in the world.
All polymer shelving constructed of advanced polymers and Type 304 stainless corners.
Shelves adjust in 1″ increments.
Removable, easy-to-clean open grid mats promote air circulation and light penetration.
Lifetime warranty against rust and corrosion.
Posts and shelf mats include built-in Microban antimicrobial product protection to keep the product “cleaner between cleanings”.
Includes 2 swivel and 2 swivel/brake casters.