Certified by Uniform Plumbing Code (cUPC) This AB3420UM uniquely combines a very high-end look and long-term durability with low maintenance at an incredible valueDesigned in Italy, Made in ItalyExterior Dimensions : 33 7/8" x 17 3/4" x 8 1/4"Inner Bowl Sizes : 14 7/8" x 15 3/4" x 7 3/4", 14 7/8" x 15 3/4" x 7 3/4"Includes undermount installation hardwareWithstands severe thermal shocks and very high temperatures without being damagedDrain not included..Recommended Model: ABST55Recommended counter top cut out hole of 31" x 15 3/4" with a 1/4" corner radius.