Franke Kinetic 33" Apron Front Farm House Double Bowl Kitchen Sink, Stainless Steel Double bowl sink with 3.5 inch drain opening 18 gauge stainless Steel, Polished Satin finish Polished Satin finish 33 inch minimum cabinet requirement Drain lines to help channel water toward drains Drain lines help channel water toward drain Ultra-Quiet sound-deadening pads eliminate excess noise and vibration from heavy pots, pans and utensils 9" deep bowls Template and hardware provided for safe and easy installation (Professional installation recommended for farmhouse application) Limited Lifetime Warranty