American Imaginations AI-8-1122 Drop for 4-Inch OC Faucet Round Vessel, 18.5-Inch x 18.5-Inch, White Drop-in white ceramic round vessel. Premium white glaze for a glossy finish. Kiln dried ceramic construction. Smooth non-porous surface; prevents from discoloration and fading. Featuring an overflow. Double fired and glazed for durability and stain resistance. Quality control approved in Canada. Re-inspected prior to shipping your order. Faucet and accessories not included. 1.75-in. standard US drain opening. Recommended drain for this sink is 871211017954.. Drop-in white ceramic round vessel Premium white glaze for a glossy finish with a kiln dried ceramic construction Smooth non-porous surface; prevents from discoloration and fading Large integrated bowl featuring an overflow Double fired and glazed for durability and stain resistance. Quality control approved in Canada and re-inspected prior to shipping your order. Faucet and accessories not included