Unit fabricated of type 304 22-gauge (0.8mm) stainless steel. All welded construction with exposed surfaces having a #4 satin-finish. Hemmed top and bottom edges for safety. Keyholes in rear allow for easy installation. Capacity 21-gallon 79.5-L Unit 16 1/2" L, 12 1/2" H, 23" H (419 x 318 x 584mm).