Excel ES-361872C NSF Certified All Purpose 4-Tier 36-Inch Wide x 72-Inch High x 18-Inch Deep Shelving Rack, Chrome 600 Lbs. Per Shelf Weight Capacity Using Feet Levelers (Evenly Distributed) 4 Commercial-Grade 36 In. X 18 In. Shelves Durable Chromed Steel Construction NSF Certified for dry storage applications 4 Commercial-grade 36 inch x 18 inch shelves 600 LBS per shelf weight capacity using feet levelers and evenly distributed Slip sleeve locking system allows shelves to be adjustable by 1 inch increments Durable chromed steel construction Open design allows for circulation and reduces dust build-up