Avanity SUT31BK 31-Inch by 22-Inch Black Granite Top will update your bathroom with natural beauty! Accommodates Avanity’s CUM18WT or CUM18LN undermount sink, not included. 4 -Inch H backsplash included, requires 8-Inch widespread faucet, not included.From the ManufacturerAvanity SUT31BK 31-Inch by 22-Inch Black Granite Top will update your bathroom with natural beauty! Accommodates Avanity’s CUM18WT or CUM18LN undermount sink, not included. 4 -Inch H backsplash included, requires 8-Inch widespread faucet, not included.