Cambro DRS480480 S-Series 48 x 21 x 12 slotted top dunnage rack is perfect for keeping your frozen, cold, or dry inventory safely off the floor. For superior strength and stability, this rack features a heavy-duty polypropylene construction that will never rust or corrode. It can even withstand temperatures down to -36 degrees Fahrenheit, ensuring that it is built to exceed your needs! Its sturdy legs keep your inventory 12 off the floor and can support up to 3000 lb. Additionally, this rack features a slotted top that allows for maximum air circulation around products, making it the perfect solution for storing your perishable items.