HEAVY DUTY STAINLESS STEEL - Built with high quality 304 type 18 gauge stainless steel which is rust and corrosion resistant and will withstand the high volume fast pace commercial kitchen SPACE SAVING - Compact size yet has three tubs and two drain boards which makes it large enough to keep even the most stringent health departments happy, overall size 60"L x 22"W x 44. 5"H This restaurant sink is NSF certified for use in all sorts of commercial kitchens, restaurants, hotels, Pizzaries, bakeries, or cafes. The NSF focuses on public safety, health, and the environment. TWO DRAINBOARDS - The two 12" drain boards provide convenient space for drying and loading dishes, they have a slanted surface to drain excess water HIGH BACKSPLASH AND RAISED EDGES - The 10" backsplash with 8" center holes for faucet mount (not included) will keep walls dry and clean while the raised edges will prevent splashes and overflow. For optimal stability, the sink should be secured to a wall.