Camshelving® 24" x 48" x 72" 4-shelf vented starter shelf kits are perfect for use in any environment, indoors or outdoors, including alk-in coolers and freezers, dry storage, wet areas or front of the house display. This kit comes with two steel-core, weight-bearing traverses and several vented shelf plates which combine to form a single shelf. Works in temperatures down to -36°F (-30°F) or warm environments up to 190°F (88°C). Camshelving® vented plate kits are perfect for when you need to store perishable products that benefit from air flow around them.The shelf plates and the outer shell of the traverses are made of smooth, rustproof polypropylene that can be cleaned simply by wiping it off, and Camguard™ antimicrobial protection is built right into the shelf plates to extend your food's shelf life even longer.