Kingston Brass KZGKUD3118 Gourmetier Undermount Double Bowl Kitchen Sink Combo with Strainer and Grid Package Includes: One 31-1/4" x 18" Double Bowl Sink, Two Matching Grids and Two Basket Strainers Heavy Duty 18 Gauge 304 Grade Stainless Steel Kitchen Sink; Grids are constructed from 304 Stainless Steel Mounting Hardware and Sink Cut Out Template Included; Full Spray Undercoating and Sound Deadening Pad Included Max 1.8 GPM/6.8 LPM Water Flow Rate At 80 PSI (ASME standard) Compliant with California Energy Commission Title 20