This versatile shelving unit offers an ideal storage solution for your heavy-duty storage requirements. Its snap-together design allows for quick assembly in minutes, without the need for tools. Black Anthracite finish is National Sanitation Foundation (NSF) certified for wet and dry environments. Can be set up as a four-tier single rack or two two-tier racks to suit your specific requirements. The open design promotes air circulation, reducing dust build-up, while shelves adjust in 1-inch increments to accommodate various items.