Mop service sink. Center waste location. 16 gauge (1.5 mm), type 316 (EN1.4401 17/12/2) stainless steel. Polished #4 satin finish. Radius coved bowl corners. Undercoated to reduce condensation and resonance. One piece wall hangers. Can be installed in either left or right corners. Comes with integral back splash and side splash. Drop front feature to facilitate easy drainage of power driven floor maintenance equipment. Includes 2" IPS grid shower drain. Certified to ASME A112.19.3-2008 / CSA B45.4-08. Please allow 4 weeks for delivery.